Buffer Overflow
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
How It Works
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions. This overwrites whatever data or code exists there, corrupting program state and potentially giving attackers control over execution flow.
Stack-based overflows are the most common variant. When a function allocates a fixed-size buffer on the stack and then copies user-controlled input without proper bounds checking, attackers can overflow past the buffer to overwrite the function's return address. When the function completes, instead of returning to legitimate code, execution jumps to attacker-specified memory containing malicious shellcode. Heap-based overflows work differently—they corrupt heap metadata like chunk size fields or free list pointers, leading to arbitrary memory writes when the allocator processes the corrupted structures.
Modern exploitation bypasses defensive mechanisms through techniques like Return-Oriented Programming (ROP), which chains together existing code snippets to avoid non-executable memory protections. Attackers may also use heap spraying to reliably position shellcode at predictable addresses, defeating address randomization.
Impact
- Remote code execution — attacker gains ability to run arbitrary commands with the privileges of the vulnerable process
- Privilege escalation — exploiting kernel or setuid program overflows to gain root/SYSTEM access
- Denial of service — crashes and memory corruption that render systems unusable
- Information disclosure — reading sensitive data from adjacent memory regions that should be inaccessible
- Authentication bypass — overwriting security-critical variables like permission flags or user IDs
Real-World Examples
Fortinet FortiOS suffered a critical buffer overflow (CVE-2025-32756) that allowed unauthenticated remote attackers to execute code as root on firewalls and VPN gateways. Attackers actively exploited this to compromise enterprise network perimeters before patches were available.
The Slammer worm from 2003 exploited a stack overflow in Microsoft SQL Server, spreading to 75,000 hosts in ten minutes by sending a single malformed UDP packet that overwrote the return address with shellcode. No authentication was required.
OpenSSH historically contained a heap overflow in challenge-response authentication that allowed pre-authentication remote root compromise on Unix systems, demonstrating how memory corruption in privileged network services creates maximum impact scenarios.
Mitigation
- Memory-safe languages — Rust, Go, and modern managed languages prevent buffer overflows by design through automatic bounds checking
- Stack canaries — random values placed before return addresses that detect corruption before control transfer
- Address Space Layout Randomization (ASLR) — randomizes memory locations making exploitation less reliable
- Data Execution Prevention (DEP/NX) — marks memory regions as non-executable, preventing direct shellcode execution
- Bounds checking — validate input sizes before copying, use safe functions like
strncpyinstead ofstrcpy - Fuzzing and static analysis — automated testing to discover overflows before deployment
Recent CVEs (36784)
QEMU (aka Quick Emulator) built to use 'address_space_translate' to map an address to a MemoryRegionSection is vulnerable to an OOB r/w access issue. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
QEMU (aka Quick Emulator) built with the NE2000 device emulation support is vulnerable to an OOB r/w access issue. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
The drag-and-drop (aka DnD) function in VMware Workstation Pro 12.x before 12.5.2 and VMware Workstation Player 12.x before 12.5.2 and VMware Fusion and Fusion Pro 8.x before 8.5.2 allows guest OS. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. No vendor patch available.
tpview.dll in VMware Workstation Pro 12.x before 12.5.0 and VMware Workstation Player 12.x before 12.5.0 on Windows, when Cortado ThinPrint virtual printing is enabled, allows guest OS users to. Rated high severity (CVSS 7.8). Public exploit code available and no vendor patch available.
VMware Workstation Pro 12.x before 12.5.0 and VMware Workstation Player 12.x before 12.5.0 on Windows, when Cortado ThinPrint virtual printing is enabled, allow guest OS users to execute arbitrary. Rated high severity (CVSS 7.8). Public exploit code available and no vendor patch available.
VMware Workstation Pro 12.x before 12.5.0 and VMware Workstation Player 12.x before 12.5.0 on Windows, when Cortado ThinPrint virtual printing is enabled, allow guest OS users to execute arbitrary. Rated high severity (CVSS 7.8). No vendor patch available.
Multiple heap-based buffer overflows in VMware Workstation Pro 12.x before 12.5.0 and VMware Workstation Player 12.x before 12.5.0 on Windows, when Cortado ThinPrint virtual printing is enabled,. Rated high severity (CVSS 7.8). No vendor patch available.
The sock_setsockopt function in net/core/sock.c in the Linux kernel before 4.8.14 mishandles negative values of sk_sndbuf and sk_rcvbuf, which allows local users to cause a denial of service (memory. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
KVM in the Linux kernel before 4.8.12, when I/O APIC is enabled, does not properly restrict the VCPU index, which allows guest OS users to gain host OS privileges or cause a denial of service. Rated high severity (CVSS 7.8). This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
The netfilter subsystem in the Linux kernel before 4.9 mishandles IPv6 reassembly, which allows local users to cause a denial of service (integer overflow, out-of-bounds write, and GPF) or possibly. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
The sock_setsockopt function in net/core/sock.c in the Linux kernel before 3.5 mishandles negative values of sk_sndbuf and sk_rcvbuf, which allows local users to cause a denial of service (memory. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
An exploitable out-of-bounds array access vulnerability exists in the xrow_header_decode function of Tarantool 1.7.2.0-g8e92715. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An exploitable incorrect return value vulnerability exists in the mp_check function of Tarantool's Msgpuck library 1.0.3. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An exploitable out of bounds write exists in the handling of compressed TIFF images in ImageMagicks's convert utility. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
The ff_draw_pc_font function in libavcodec/cga_data.c in FFmpeg before 3.1.4 allows remote attackers to cause a denial of service (buffer overflow) via a crafted AVI file. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The cavs_idct8_add_c function in libavcodec/cavsdsp.c in FFmpeg before 3.1.4 is vulnerable to reading out-of-bounds memory when decoding with cavs_decode. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The ff_log2_16bit_c function in libavutil/intmath.h in FFmpeg before 3.1.4 is vulnerable to reading out-of-bounds memory when it decodes a malformed AIFF file. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The raw_decode function in libavcodec/rawdec.c in FFmpeg before 3.1.2 allows remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a crafted SWF file. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
openjpeg: A heap-based buffer overflow flaw was found in the patch for CVE-2013-6045. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Microsoft Office 2007 SP3, Office 2010 SP2, Word Viewer, Office for Mac 2011, and Office 2016 for Mac allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption). Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Epss exploitation probability 18.9% and no vendor patch available.
The scripting engines in Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required. Epss exploitation probability 35.2% and no vendor patch available.
The scripting engines in Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required. Epss exploitation probability 37.4% and no vendor patch available.
Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Office Compatibility Pack SP3, Word for Mac 2011, Word Automation Services on SharePoint Server 2010 SP2, and Office Web Apps 2010 SP2 allow. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. Epss exploitation probability 10.9% and no vendor patch available.
Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Office Compatibility Pack SP3, Word for Mac 2011, Word Automation Services on SharePoint Server 2010 SP2, and Office Web Apps 2010 SP2 allow. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. Epss exploitation probability 10.9% and no vendor patch available.
Microsoft Publisher 2010 SP2 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted document, aka "Microsoft Office Memory Corruption. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Epss exploitation probability 34.2% and no vendor patch available.
The scripting engines in Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and EPSS exploitation probability 79.3%.
The scripting engines in Microsoft Internet Explorer 11 and Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site,. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and EPSS exploitation probability 78.3%.
The scripting engines in Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Scripting Engine Memory. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and EPSS exploitation probability 82.7%.
Microsoft Internet Explorer 9 through 11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Internet Explorer Memory. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 23.0% and no vendor patch available.
Microsoft Internet Explorer 9 through 11 and Microsoft Edge allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required. Epss exploitation probability 32.6% and no vendor patch available.
Microsoft Office 2016 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted document, aka "Microsoft Office Memory Corruption Vulnerability.". Rated critical severity (CVSS 9.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Microsoft Office 2007 SP3, Office 2010 SP2, Office 2013 SP1, Office for Mac 2011, and Office 2016 for Mac allow remote attackers to obtain sensitive information from process memory or cause a denial. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Microsoft Word 2007 SP3, Office 2010 SP2, Word 2010 SP2, Office Compatibility Pack SP3, Word Viewer, Word for Mac 2011, Word Automation Services on SharePoint Server 2010 SP2, and Office Web Apps. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. Epss exploitation probability 10.9% and no vendor patch available.
Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Office Compatibility Pack SP3, Excel Viewer, Excel Services on SharePoint Server 2007 SP3, and Excel Services. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. Epss exploitation probability 10.3% and no vendor patch available.
Microsoft Excel 2007 SP3, Office Compatibility Pack SP3, Excel Viewer, Excel for Mac 2011, and Excel 2016 for Mac allow remote attackers to obtain sensitive information from process memory or cause a. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. Epss exploitation probability 11.3% and no vendor patch available.
Microsoft Excel for Mac 2011 and Excel 2016 for Mac allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted document, aka "Microsoft Office. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Epss exploitation probability 18.9% and no vendor patch available.
Microsoft Edge allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, aka "Microsoft Edge Memory Corruption Vulnerability.". Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required. Epss exploitation probability 27.3% and no vendor patch available.
Devtools in Google Chrome prior to 54.0.2840.59 for Windows, Mac, and Linux; 54.0.2840.85 for Android incorrectly handled objects after a tab crash, which allowed a remote attacker to perform an out. Rated medium severity (CVSS 5.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Blink in Google Chrome prior to 54.0.2840.59 for Windows, Mac, and Linux; 54.0.2840.85 for Android had insufficient validation in bitmap handling, which allowed a remote attacker to potentially. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
All versions of NVIDIA Windows GPU Display Driver contain a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgDdiEscape where the size of an input buffer is not validated, leading. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
All versions of NVIDIA Windows GPU Display Driver contain a vulnerability in the kernel mode layer handler for DxgDdiEscape where the size of an input buffer is not validated leading to a denial of. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
All versions of NVIDIA Windows GPU Display Driver contain a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgDdiEscape where a value passed from a user to the driver is used. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
Adobe InDesign version 11.4.1 and earlier, Adobe InDesign Server 11.0.0 and earlier have an exploitable memory corruption vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 10.5% and no vendor patch available.
Adobe Flash Player versions 23.0.0.207 and earlier, 11.2.202.644 and earlier have an exploitable memory corruption vulnerability in the Clipboard class related to data handling functionality. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Flash Player versions 23.0.0.207 and earlier, 11.2.202.644 and earlier have an exploitable memory corruption vulnerability in the NetConnection class when handling the proxy types. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Flash Player versions 23.0.0.207 and earlier, 11.2.202.644 and earlier have an exploitable memory corruption vulnerability in the PSDK class related to ad policy functionality method. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Flash Player versions 23.0.0.207 and earlier, 11.2.202.644 and earlier have an exploitable memory corruption vulnerability in the Worker class. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Flash Player versions 23.0.0.207 and earlier, 11.2.202.644 and earlier have an exploitable buffer overflow / underflow vulnerability in the RegExp class for specific search strategies. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Flash Player versions 23.0.0.207 and earlier, 11.2.202.644 and earlier have an exploitable buffer overflow / underflow vulnerability in the RegExp class related to backtrack search. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Flash Player versions 23.0.0.207 and earlier, 11.2.202.644 and earlier have an exploitable buffer overflow / underflow vulnerability in the RegExp class related to alternation functionality. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Flash Player versions 23.0.0.207 and earlier, 11.2.202.644 and earlier have an exploitable buffer overflow / underflow vulnerability in the RegExp class related to bookmarking in searches. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Adobe Animate versions 15.2.1.95 and earlier have an exploitable memory corruption vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 64.4%.
Adobe DNG Converter versions 9.7 and earlier have an exploitable memory corruption vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An exploitable buffer overflow exists in the Joyent SmartOS 20161110T013148Z Hyprlofs file system. Rated high severity (CVSS 7.0). Public exploit code available and no vendor patch available.
An exploitable buffer overflow exists in the Joyent SmartOS 20161110T013148Z Hyprlofs file system. Rated high severity (CVSS 7.0). Public exploit code available and no vendor patch available.
An exploitable buffer overflow exists in the Joyent SmartOS 20161110T013148Z Hyprlofs file system. Rated high severity (CVSS 7.0). Public exploit code available and no vendor patch available.
An exploitable buffer overflow exists in the Joyent SmartOS 20161110T013148Z Hyprlofs file system. Rated high severity (CVSS 7.0). Public exploit code available and no vendor patch available.
A vulnerability in the Internet Key Exchange Version 2 (IKEv2) feature of Cisco ASR 5000 Series Software could allow an unauthenticated, remote attacker to cause a reload of the ipsecmgr process. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 16.3%.
Buffer underflow in X.org libXvMC before 1.0.10 allows remote X servers to have unspecified impact via an empty string. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Multiple integer overflows in X.org libXtst before 1.2.3 allow remote X servers to trigger out-of-bounds memory access operations by leveraging the lack of range checks. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The XRenderQueryFilters function in X.org libXrender before 0.9.10 allows remote X servers to trigger out-of-bounds write operations via vectors involving filter name lengths. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X servers to trigger out-of-bounds write operations via vectors. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
X.org libXrandr before 1.5.1 allows remote X servers to trigger out-of-bounds write operations by leveraging mishandling of reply data. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Multiple integer overflows in X.org libXrandr before 1.5.1 allow remote X servers to trigger out-of-bounds write operations via a crafted response. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Multiple integer overflows in X.org libXi before 1.7.7 allow remote X servers to cause a denial of service (out-of-bounds memory access or infinite loop) via vectors involving length fields. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Integer overflow in X.org libXfixes before 5.0.3 on 32-bit platforms might allow remote X servers to gain privileges via a length value of INT_MAX, which triggers the client to stop reading data and. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The XListFonts function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving length fields, which trigger out-of-bounds write operations. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The XGetImage function in X.org libX11 before 1.6.4 might allow remote X servers to gain privileges via vectors involving image type and geometry, which triggers out-of-bounds read operations. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXv before 1.0.11 allow remote X servers to trigger out-of-bounds memory access operations via vectors involving length. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
A remote code execution vulnerability in libstagefright in Mediaserver in Android 7.0 before 2016-11-01 could enable an attacker using a specially crafted file to cause memory corruption during media. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
Heap-based buffer overflow in the find_fixedlength function in pcre_compile.c in PCRE before 8.38 allows remote attackers to cause a denial of service (crash) or obtain sensitive information from. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
Heap-based buffer overflow in PCRE 8.34 through 8.37 and PCRE2 10.10 allows remote attackers to execute arbitrary code via a crafted regular expression, as demonstrated by. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Buffer overflow in MagickCore/enhance.c in ImageMagick before 7.0.2-7 allows remote attackers to have unspecified impact via vectors related to pixel cache morphology. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Buffer overflow in the Get8BIMProperty function in MagickCore/property.c in ImageMagick before 6.9.5-4 and 7.x before 7.0.2-6 allows remote attackers to cause a denial of service (out-of-bounds read,. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
MagickCore/property.c in ImageMagick before 7.0.2-1 allows remote attackers to obtain sensitive memory information via vectors involving the q variable, which triggers an out-of-bounds read. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
The WPG parser in ImageMagick before 6.9.4-4 and 7.x before 7.0.1-5, when a memory limit is set, allows remote attackers to have unspecified impact via vectors related to the SetImageExtent. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
The VerticalFilter function in the DDS coder in ImageMagick before 6.9.4-3 and 7.x before 7.0.1-4 allows remote attackers to have unspecified impact via a crafted DDS file, which triggers an. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An issue was discovered in Asterisk Open Source 13.12.x and 13.13.x before 13.13.1 and 14.x before 14.2.1. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-33. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
An issue was discovered in the Tatsuya Kinoshita w3m fork before 0.5.3-31. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.