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 (36776)
In all Qualcomm products with Android releases from CAF using the Linux kernel, in function msm_compr_ioctl_shared, variable "ddp->params_length" could be accessed and modified by multiple threads,. 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.
In all Qualcomm products with Android releases from CAF using the Linux kernel, during the wlan calibration data store and retrieve operation, there are some potential race conditions which lead to a. Rated high severity (CVSS 7.0), this vulnerability is no authentication required. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
In all Qualcomm products with Android releases from CAF using the Linux kernel, while reading audio data from an unspecified driver, a buffer overflow or integer overflow could occur. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.
In all Qualcomm products with Android releases from CAF using the Linux kernel, in functions msm_isp_check_stream_cfg_cmd & msm_isp_stats_update_cgc_override, 'stream_cfg_cmd->num_streams' is not. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.
In all Qualcomm products with Android releases from CAF using the Linux kernel, user controlled variables "nr_cmds" and "nr_bos" number are passed across functions without any check. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Integer Overflow vulnerability could allow attackers to cause unexpected behavior through arithmetic overflow.
In all Qualcomm products with Android releases from CAF using the Linux kernel, while processing a vendor sub-command, a buffer over-read can occur. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
In all Qualcomm products with Android releases from CAF using the Linux kernel, the length of the MAC address is not checked which may cause out of bounds read. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
In all Qualcomm products with Android releases from CAF using the Linux kernel, in an ISP Camera kernel driver function, an incorrect bounds check may potentially lead to an out-of-bounds write. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
In all Qualcomm products with Android releases from CAF using the Linux kernel, concurrent calls into ioctl RMNET_IOCTL_ADD_MUX_CHANNEL in ipa wan driver may lead to memory corruption due to missing. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
In all Qualcomm products with Android releases from CAF using the Linux kernel, in audio_aio_ion_lookup_vaddr, the buffer length, which is user input, ends up being used to validate if the buffer is. 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.
In all Qualcomm products with Android releases from CAF using the Linux kernel, using a debugfs node, a write to a PCIe register can cause corruption of kernel memory. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The bark_noise_hybridmp function in psy.c in Xiph.Org libvorbis 1.3.5 allows remote attackers to cause a denial of service (out-of-bounds access and application crash) or possibly have unspecified. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An out of bounds read in the function d2ulaw_array() in ulaw.c of libsndfile 1.0.28 may lead to a remote DoS attack or information disclosure, related to mishandling of the NAN and INFINITY. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An out of bounds read in the function d2alaw_array() in alaw.c of libsndfile 1.0.28 may lead to a remote DoS attack or information disclosure, related to mishandling of the NAN and INFINITY. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In Xiph.Org libvorbis 1.3.5, an out-of-bounds array read vulnerability exists in the function mapping0_forward() in mapping0.c, which may lead to DoS when operating on a crafted audio file with. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Xiph.Org libvorbis 1.3.5 allows Remote Code Execution upon freeing uninitialized memory in the function vorbis_analysis_headerout() in info.c when vi->channels<=0, a similar issue to Mozilla bug. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In sam2p 0.49.3, the pcxLoadRaster function in in_pcx.cpp has an integer signedness error leading to a heap-based buffer overflow. 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.
In sam2p 0.49.3, an integer overflow exists in the pcxLoadImage24 function of the file in_pcx.cpp, leading to an invalid write operation. 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.
In sam2p 0.49.3, a heap-based buffer overflow exists in the pcxLoadImage24 function of the file in_pcx.cpp. 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.
A vulnerability in the Secure Shell (SSH) subsystem of Cisco Small Business Managed Switches software could allow an authenticated, remote attacker to cause a reload of the affected switch, resulting. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
In LibRaw through 0.18.4, an out of bounds read flaw related to kodak_65000_load_raw has been reported in dcraw/dcraw.c and internal/dcraw_common.cpp. 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.
In ImageMagick 7.0.7-4 Q16, an out of bounds read flaw related to ReadTIFFImage has been reported in coders/tiff.c. Rated high severity (CVSS 8.1), 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 S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Heap-based buffer overflow in the S_regatom function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to cause a denial of service (out-of-bounds write). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
The decode method in the OpenSSL::ASN1 module in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows attackers to cause a denial of service (interpreter crash) via a crafted string. 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.
XnView Classic for Windows Version 2.41 allows attackers to execute arbitrary code or cause a denial of service via a crafted .jb2 file, related to a "User Mode Write AV starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .jb2 file, related to a "Read Access Violation on Control Flow starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IrfanView 4.44 - 32bit allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .ani file, related to "Data from Faulting Address controls Branch. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to a "Read Access Violation on Control Flow starting at Unknown Symbol @. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .xps file, related to a "Possible Stack Corruption starting at Unknown Symbol. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to an "Illegal Instruction Violation starting at Unknown Symbol @. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to a "User Mode Write AV starting at Unknown Symbol @ 0x0000000004940490.". Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to an "Illegal Instruction Violation starting at Unknown Symbol @. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to a "User Mode Write AV starting at Unknown Symbol @ 0x000000000479049b. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to an "Illegal Instruction Violation starting at Unknown Symbol @. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to a "User Mode Write AV near NULL starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .xps file, related to a "Read Access Violation starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to an "Illegal Instruction Violation starting at Unknown Symbol @. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to an "Illegal Instruction Violation starting at Unknown Symbol @. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to a "User Mode Write AV starting at Unknown Symbol @ 0x00000000039d76c4. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .xps file, related to a "Possible Stack Corruption starting at Unknown Symbol. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .xps file, related to "Data from Faulting Address controls Branch Selection. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to a "Read Access Violation on Block Data Move starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .xps file, related to an "Error Code (0xe06d7363) starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to an "Illegal Instruction Violation starting at Unknown Symbol @. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .xps file, related to "Data from Faulting Address controls Branch Selection. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .xps file, related to a "Read Access Violation on Block Data Move starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .djvu file, related to a "User Mode Write AV starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .djvu file, related to a "User Mode Write AV starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .djvu file, related to a "User Mode Write AV starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .djvu file, related to "Data from Faulting Address is used as one or more. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .djvu file, related to a "Possible Stack Corruption starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .djvu file, related to a "User Mode Write AV starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .djvu file, related to a "User Mode Write AV starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .djvu file, related to "Data from Faulting Address controls Branch Selection. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .djvu file, related to a "Possible Stack Corruption starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .djvu file, related to a "Heap Corruption starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .djvu file, related to a "User Mode Write AV starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .mobi file, related to a "Read Access Violation starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .epub file, related to an "Error Code (0xe06d7363) starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .epub file, related to "Data from Faulting Address controls Branch Selection. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .epub file, related to "Data from Faulting Address is used as one or more. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .epub file, related to "Data from Faulting Address controls Branch Selection. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
STDU Viewer 1.6.375 allows attackers to execute arbitrary code or cause a denial of service via a crafted .epub file, related to a "Read Access Violation on Block Data Move starting at. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
XnView Classic for Windows Version 2.40 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .svg file, related to "Data from Faulting Address. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IrfanView 4.44 - 32bit allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .svg file, related to "Data from Faulting Address controls Branch. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
IrfanView 4.44 - 32bit allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .svg file, related to "Data from Faulting Address controls Branch. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
XnView Classic for Windows Version 2.40 allows attackers to execute arbitrary code or cause a denial of service via a crafted .jb2 file, related to "Data from Faulting Address controls subsequent. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
The pe_print_idata function in peXXigen.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles HintName vector entries, which allows remote. Rated medium severity (CVSS 5.5), this vulnerability is 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.
In Poppler 0.59.0, memory corruption occurs in a call to Object::streamGetChar in Object.h after a repeating series of Gfx::display, Gfx::go, Gfx::execOp, Gfx::opShowText, and Gfx::doShowText calls. 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.
Heap-based Buffer Overflow on Tenda W15E devices before 15.11.0.14 allows remote attackers to cause a denial of service (temporary HTTP outage and forced logout) via unspecified vectors. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
libarchive 3.3.2 suffers from an out-of-bounds read within lha_read_data_none() in archive_read_support_format_lha.c when extracting a specially crafted lha archive, related to lha_crc16. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
read_header in archive_read_support_format_rar.c in libarchive 3.3.2 suffers from an off-by-one error for UTF-16 names in RAR archives, leading to an out-of-bounds read in. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An out-of-bounds read flaw exists in parse_file_info in archive_read_support_format_iso9660.c in libarchive 3.3.2 when extracting a specially crafted iso9660 iso file, related to. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Integer overflow in IAudioPolicyService.cpp in Android allows local users to gain privileges via a crafted application, aka Android Bug ID 19261727. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. 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.
The tpacket_rcv function in net/packet/af_packet.c in the Linux kernel before 4.13 mishandles vnet headers, which might allow local users to cause a denial of service (buffer overflow, and disk and. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Buffer overflow in CG-WLR300NM Firmware version 1.90 and earlier allows an attacker to execute arbitrary code via unspecified vectors. Rated medium severity (CVSS 6.8), this vulnerability is low attack complexity. No vendor patch available.
VMware ESXi (ESXi 6.5 without patch ESXi650-201707101-SG), Workstation (12.x before 12.5.7) and Fusion (8.x before 8.5.8) contain an out-of-bounds write vulnerability in SVGA device. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
A remote code execution vulnerability in the Android system (bluetooth). Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. Epss exploitation probability 27.0%.
A remote code execution vulnerability in the Android system (bluetooth). Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 41.8%.
The IPv6 routing header parser in tcpdump before 4.9.2 has a buffer over-read in print-rt6.c:rt6_print(). Rated critical severity (CVSS 9.8), 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.
The IKEv2 parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c, several functions. Rated critical severity (CVSS 9.8), 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.
The IKEv1 parser in tcpdump before 4.9.2 has a buffer over-read in print-isakmp.c:ikev1_id_print(). Rated critical severity (CVSS 9.8), 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.
The OLSR parser in tcpdump before 4.9.2 has a buffer over-read in print-olsr.c:olsr_print(). Rated critical severity (CVSS 9.8), 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.
The Cisco HDLC parser in tcpdump before 4.9.2 has a buffer over-read in print-chdlc.c:chdlc_print(). Rated critical severity (CVSS 9.8), 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.
The ISO IS-IS parser in tcpdump before 4.9.2 has a buffer over-read in print-isoclns.c:isis_print_is_reach_subtlv(). Rated critical severity (CVSS 9.8), 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.
The LLDP parser in tcpdump before 4.9.2 has a buffer over-read in print-lldp.c:lldp_private_8023_print(). Rated critical severity (CVSS 9.8), 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.
The BGP parser in tcpdump before 4.9.2 has a buffer over-read in print-bgp.c:decode_rt_routing_info(). Rated critical severity (CVSS 9.8), 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.
The CFM parser in tcpdump before 4.9.2 has a buffer over-read in print-cfm.c:cfm_print(). Rated critical severity (CVSS 9.8), 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.