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 (36794)
Adobe Flash Player before 10.3.183.86 and 11.x before 11.7.700.202 on Windows and Mac OS X, before 10.3.183.86 and 11.x before 11.2.202.285 on Linux, before 11.1.111.54 on Android 2.x and 3.x, and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
Adobe Flash Player before 10.3.183.86 and 11.x before 11.7.700.202 on Windows and Mac OS X, before 10.3.183.86 and 11.x before 11.2.202.285 on Linux, before 11.1.111.54 on Android 2.x and 3.x, and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
Adobe Flash Player before 10.3.183.86 and 11.x before 11.7.700.202 on Windows and Mac OS X, before 10.3.183.86 and 11.x before 11.2.202.285 on Linux, before 11.1.111.54 on Android 2.x and 3.x, and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
Adobe Flash Player before 10.3.183.86 and 11.x before 11.7.700.202 on Windows and Mac OS X, before 10.3.183.86 and 11.x before 11.2.202.285 on Linux, before 11.1.111.54 on Android 2.x and 3.x, and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
Adobe Flash Player before 10.3.183.86 and 11.x before 11.7.700.202 on Windows and Mac OS X, before 10.3.183.86 and 11.x before 11.2.202.285 on Linux, before 11.1.111.54 on Android 2.x and 3.x, and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
Adobe Flash Player before 10.3.183.86 and 11.x before 11.7.700.202 on Windows and Mac OS X, before 10.3.183.86 and 11.x before 11.2.202.285 on Linux, before 11.1.111.54 on Android 2.x and 3.x, and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 18.9%.
Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 18.9%.
Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 18.9%.
Buffer overflow in Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity.
Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 18.9%.
Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 17.2%.
Buffer overflow in Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 79.6%.
Adobe Flash Player before 10.3.183.86 and 11.x before 11.7.700.202 on Windows and Mac OS X, before 10.3.183.86 and 11.x before 11.2.202.285 on Linux, before 11.1.111.54 on Android 2.x and 3.x, and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 18.9%.
Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 17.2%.
Stack-based buffer overflow in Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allows attackers to execute arbitrary code via unspecified vectors. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 32.7%.
Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 17.2%.
Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 17.2%.
Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 17.2%.
Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 13.8% and no vendor patch available.
Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 17.2%.
Adobe Reader and Acrobat 9.x before 9.5.5, 10.x before 10.1.7, and 11.x before 11.0.03 allow attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 17.2%.
Use-after-free vulnerability in the nsContentUtils::RemoveScriptBlocker function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Use-after-free vulnerability in the nsFrameList::FirstChild function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Use-after-free vulnerability in the mozilla::plugins::child::_geturlnotify function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The _cairo_xlib_surface_add_glyph function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers to. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The gfxSkipCharsIterator::SetOffsets function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote attackers. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The SelectionIterator::GetNextSegment function in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allows remote. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 21.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 21.0, Firefox ESR 17.x before 17.0.6, Thunderbird before 17.0.6, and Thunderbird ESR 17.x before 17.0.6 allow. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
mpengine.dll in Microsoft Malware Protection Engine before 1.1.9506.0 on x64 platforms allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Epss exploitation probability 18.3%.
win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server. Rated high severity (CVSS 7.2), this vulnerability is low attack complexity. No vendor patch available.
Buffer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows 7 SP1 allows local users to gain privileges via a crafted application that leverages improper handling of objects in. Rated high severity (CVSS 7.2), this vulnerability is low attack complexity. No vendor patch available.
dxgkrnl.sys (aka the DirectX graphics kernel subsystem) in the kernel-mode drivers in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012,. Rated high severity (CVSS 7.2), this vulnerability is low attack complexity. No vendor patch available.
Buffer overflow in Microsoft Publisher 2003 SP3 allows remote attackers to execute arbitrary code via a crafted Publisher file, aka "Publisher Buffer Overflow Vulnerability.". Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 62.1% and no vendor patch available.
Microsoft Communicator 2007 R2, Lync 2010, Lync 2010 Attendee, and Lync Server 2013 do not properly handle objects in memory, which allows remote attackers to execute arbitrary code via an invitation. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Epss exploitation probability 44.4% and no vendor patch available.
pdf.c in ClamAV 0.97.1 through 0.97.7 allows remote attackers to cause a denial of service (out-of-bounds-read) via a crafted length value in an encrypted PDF file. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.
Integer underflow in the cli_scanpe function in pe.c in ClamAV before 0.97.8 allows remote attackers to cause a denial of service (crash) via a skewed offset larger than the size of the PE section in. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity.
Certain page table manipulation operations in Xen 4.1.x, 4.2.x, and earlier are not preemptible, which allows local PV kernels to cause a denial of service via vectors related to "deep page table. Rated medium severity (CVSS 4.7). No vendor patch available.
Buffer overflow in the Library Control Program (LCP) in EMC AlphaStor 4.0 before build 910 allows remote attackers to execute arbitrary code via crafted commands. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Public exploit code available and EPSS exploitation probability 56.4%.
Stack-based buffer overflow in the ERM_convert_to_correct_webpath function in ermapper_u.dll in ERDAS ER Viewer before 13.00.0001 allows remote attackers to execute arbitrary code via a crafted. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Public exploit code available and EPSS exploitation probability 65.4%.
The SNMP module in Cisco IOS XR allows remote authenticated users to cause a denial of service (process restart) via crafted SNMP packets, aka Bug ID CSCue69472. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Stack-based buffer overflow in Novell iPrint Client before 5.90 allows remote attackers to execute arbitrary code via unspecified vectors. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 12.7% and no vendor patch available.
The mod_dav_svn Apache HTTPD server module in Subversion 1.7.0 through 1.7.8 allows remote attackers to cause a denial of service (segmentation fault and crash) via a log REPORT request with an. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 31.6%.
The mod_dav_svn Apache HTTPD server module in Subversion 1.6.x before 1.6.21 and 1.7.0 through 1.7.8 allows remote authenticated users to cause a denial of service (NULL pointer dereference and. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The mod_dav_svn Apache HTTPD server module in Subversion 1.6.x before 1.6.21 and 1.7.0 through 1.7.8 allows remote authenticated users to cause a denial of service (memory consumption) by (1) setting. Rated low severity (CVSS 2.1), this vulnerability is remotely exploitable. No vendor patch available.
Integer overflow in the vfprintf function in stdio-common/vfprintf.c in glibc 2.14 and other versions allows context-dependent attackers to bypass the FORTIFY_SOURCE protection mechanism, conduct. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.
The nfsrvd_readdir function in sys/fs/nfsserver/nfs_nfsdport.c in the new NFS server in FreeBSD 8.0 through 9.1-RELEASE-p3 does not verify that a READDIR request is for a directory node, which allows. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity.
Cisco Unified Communications Domain Manager allows remote attackers to cause a denial of service (CPU consumption) via a flood of malformed UDP packets, aka Bug ID CSCug47057. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Buffer overflow in the vsflex7l ActiveX control in IBM SPSS SamplePower 3.0 before FP1 allows remote attackers to execute arbitrary code via unspecified vectors. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Epss exploitation probability 19.0% and no vendor patch available.
Buffer overflow in the c1sizer ActiveX control in C1sizer.ocx in IBM SPSS SamplePower 3.0 before FP1 allows remote attackers to execute arbitrary code via a long TabCaption string. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Public exploit code available and EPSS exploitation probability 66.2%.
Multiple buffer overflows in the Vsflex8l ActiveX control in IBM SPSS SamplePower 3.0 before FP1 allow remote attackers to execute arbitrary code via a long (1) ComboList or (2) ColComboList property. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Epss exploitation probability 19.0% and no vendor patch available.
Stack-based buffer overflow in the getaddrinfo function in sysdeps/posix/getaddrinfo.c in GNU C Library (aka glibc or libc6) 2.17 and earlier allows remote attackers to cause a denial of service. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The Ethernet frame-forwarding implementation in Cisco NX-OS on Nexus 7000 devices allows remote attackers to cause a denial of service (forwarding loop and service outage) via a crafted frame, aka. Rated medium severity (CVSS 6.1), this vulnerability is low attack complexity. No vendor patch available.
Stack-based buffer overflow in the receive_tcppacket function in net_packet.c in tinc before 1.0.21 and 1.1 before 1.1pre7 allows remote authenticated peers to cause a denial of service (crash) or. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 65.5%.
Multiple use-after-free vulnerabilities in libxml2 2.9.0 and possibly other versions might allow context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
libxml2 2.9.0 and earlier allows context-dependent attackers to cause a denial of service (CPU and memory consumption) via an XML file containing an entity declaration with long replacement text and. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.
Buffer overflow in the Intelligent Platform Management Interface (IPMI) functionality in the Manager component in Cisco Unified Computing System (UCS) 1.0 and 1.1 before 1.1(1j) and 1.2 before. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 10.6% and no vendor patch available.
Buffer overflow in the SNMP implementation in Cisco NX-OS on Nexus 7000 devices 4.x and 5.x before 5.2(5) and 6.x before 6.1(1) and MDS 9000 devices 4.x and 5.x before 5.2(5) allows remote. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Multiple buffer overflows in the (1) SNMP and (2) License Manager implementations in Cisco NX-OS on Nexus 7000 devices 4.x and 5.x before 5.2(5) and 6.x before 6.1(1) and MDS 9000 devices 4.x and 5.x. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Multiple buffer overflows in the Cisco Discovery Protocol (CDP) implementation in Cisco NX-OS on Nexus 7000 devices 4.x and 5.x before 5.2(4) and 6.x before 6.1(1), Nexus 5000 and 5500 devices 4.x. Rated high severity (CVSS 8.3), this vulnerability is low attack complexity. No vendor patch available.
Multiple stack-based buffer overflows in NCSAddOn.dll in the ERDAS APOLLO ECWP plugin before 13.00.0001 for Internet Explorer, Firefox, and Chrome allow remote attackers to execute arbitrary code via. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The generic input/output control implementation in Cisco IOS does not properly manage buffers, which allows remote authenticated users to cause a denial of service (device reload) by sending many. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Buffer overflow in IBM WebSphere Application Server (WAS) 6.1 before 6.1.0.47, 7.0 before 7.0.0.29, 8.0 before 8.0.0.6, and 8.5 before 8.5.0.2 on Windows, when a localOS registry is used in. Rated low severity (CVSS 1.9). No vendor patch available.
BitZipper 2013 before Update 1 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted ZIP archive. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.
Multiple buffer overflows in ActUWzd.dll 1.0.0.1 in Mitsubishi MX Component 3, as distributed in Citect CitectFacilities 7.10 and CitectScada 7.10r1, allow remote attackers to execute arbitrary code. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 29.7%.
Buffer overflow in LogReceiver.exe in Rockwell Automation RSLinx Enterprise CPR9, CPR9-SR1, CPR9-SR2, CPR9-SR3, CPR9-SR4, CPR9-SR5, CPR9-SR5.1, and CPR9-SR6 allows remote attackers to cause a denial. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 17 and earlier, 6 Update 43 and earlier, and 5.0 Update 41 and earlier; and OpenJDK 6 and 7;. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable. Epss exploitation probability 10.7% and no vendor patch available.
The Buffer::Set function in core/cross/buffer.cc in the O3D plug-in in Google Chrome OS before 26.0.1410.57 does not prevent uninitialized data from remaining in a buffer, which might allow remote. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Buffer overflow in Groovy Media Player 3.2.0 allows remote attackers to execute arbitrary code via a long string in a .m3u file. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.
Integer overflow in the fb_mmap function in drivers/video/fbmem.c in the Linux kernel before 3.8.9, as used in a certain Motorola build of Android 4.1.2 and other products, allows local users to. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Actively exploited in the wild (cisa kev) and public exploit code available.
Heap-based buffer overflow in ciscod.exe in the Cisco Security Service in Cisco AnyConnect Secure Mobility Client (aka AnyConnect VPN Client) allows local users to gain privileges via unspecified. Rated medium severity (CVSS 6.6). No vendor patch available.
Buffer overflow in HAProxy 1.4 through 1.4.22 and 1.5-dev through 1.5-dev17, when HTTP keep-alive is enabled, using HTTP keywords in TCP inspection rules, and running with rewrite rules that appends. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable. No vendor patch available.
Adobe Shockwave Player before 12.0.2.122 allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 12.3%.
Adobe Shockwave Player before 12.0.2.122 allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 12.3%.
Buffer overflow in Adobe Shockwave Player before 12.0.2.122 allows attackers to execute arbitrary code via unspecified vectors. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 11.4%.
Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before 10.3.183.75 and 11.x before 11.2.202.280 on Linux, before 11.1.111.50 on Android 2.x and 3.x, and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity.
Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before 10.3.183.75 and 11.x before 11.2.202.280 on Linux, before 11.1.111.50 on Android 2.x and 3.x, and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before 10.3.183.75 and 11.x before 11.2.202.280 on Linux, before 11.1.111.50 on Android 2.x and 3.x, and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
The Client/Server Run-time Subsystem (CSRSS) in Microsoft Windows XP SP2 and SP3, Server 2003 SP2, Vista SP2, and Server 2008 SP2 does not properly handle objects in memory, which allows local users. Rated high severity (CVSS 7.2), this vulnerability is low attack complexity. No vendor patch available.
poppler/Stream.cc in poppler before 0.22.1 allows context-dependent attackers to have an unspecified impact via vectors that trigger a read of uninitialized memory by the CCITTFaxStream::lookChar. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.
poppler before 0.22.1 allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via vectors that trigger an "invalid memory access" in (1). Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.
Buffer overflow in the NVIDIA GPU driver before 304.88, 310.x before 310.44, and 313.x before 313.30 for the X Window System on UNIX, when NoScanout mode is enabled, allows remote authenticated users. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable.
The NVIDIA driver before 307.78, and Release 310 before 311.00, in the NVIDIA Display Driver service on Windows does not properly handle exceptions, which allows local users to gain privileges or. Rated high severity (CVSS 7.2), this vulnerability is low attack complexity. Public exploit code available.
Cogent Real-Time Systems Cogent DataHub before 7.3.0, OPC DataHub before 6.4.22, Cascade DataHub before 6.4.22 on Windows, and DataHub QuickTrend before 7.3.0 do not properly handle exceptions, which. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Stack-based buffer overflow in the web server in Cogent Real-Time Systems Cogent DataHub before 7.3.0, OPC DataHub before 6.4.22, Cascade DataHub before 6.4.22 on Windows, and DataHub QuickTrend. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 51.7%.
Cisco Tivoli Business Service Manager (TBSM) in Hosted Collaboration Mediation (HCM) in Cisco Hosted Collaboration Solution allows remote attackers to cause a denial of service (temporary service. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The Schneider Electric M340 BMXNOE01xx and BMXP3420xx PLC modules allow remote authenticated users to cause a denial of service (module crash) via crafted FTP traffic, as demonstrated by the. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Integer signedness error in the pixman_fill_sse2 function in pixman-sse2.c in Pixman, as distributed with Cairo and used in Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable.