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 (36798)
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.
Buffer overflow in the Mozilla Maintenance Service in Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, and Thunderbird ESR 17.x before 17.0.5 on Windows allows. Rated high severity (CVSS 7.2), this vulnerability is low attack complexity. No vendor patch available.
Mozilla Firefox before 20.0 and SeaMonkey before 2.17, when gfx.color_management.enablev4 is used, do not properly handle color profiles during PNG rendering, which allows remote attackers to obtain. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.
The CERT_DecodeCertPackage function in Mozilla Network Security Services (NSS), as used in Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, Thunderbird ESR 17.x. Rated medium severity (CVSS 5.0), 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.
Unspecified vulnerability in the browser engine in Mozilla Firefox before 20.0 on Android allows remote attackers to cause a denial of service (stack memory corruption and application crash) or. 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 20.0 and SeaMonkey before 2.17 allow remote attackers to cause a denial of service (memory corruption and. 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 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, Thunderbird ESR 17.x before 17.0.5, and SeaMonkey. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The XML libraries for Python 3.4, 3.3, 3.2, 3.1, 2.7, and 2.6, as used in OpenStack Keystone Essex, Folsom, and Grizzly; Compute (Nova) Essex and Folsom; Cinder Folsom; Django; and possibly other. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
Stack-based buffer overflow in utp.cpp in libutp, as used in Transmission before 2.74 and possibly other products, allows remote attackers to cause a denial of service (crash) and possibly execute. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
main/http.c in the HTTP server in Asterisk Open Source 1.8.x before 1.8.20.2, 10.x before 10.12.2, and 11.x before 11.2.2; Certified Asterisk 1.8.15 before 1.8.15-cert2; and Asterisk Digiumphones. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Stack-based buffer overflow in res/res_format_attr_h264.c in Asterisk Open Source 11.x before 11.2.2 allows remote attackers to execute arbitrary code via a long sprop-parameter-sets H.264 media. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Multiple buffer overflows in Core FTP before 2.2 build 1769 allow remote FTP servers to execute arbitrary code or cause a denial of service (application crash) via a long directory name in a (1). Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable. No vendor patch available.
Stack-based buffer overflow in the nim: protocol handler in Novell GroupWise Messenger 2.04 and earlier, and Novell Messenger 2.1.x and 2.2.x before 2.2.2, allows remote attackers to execute. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Epss exploitation probability 20.6% and no vendor patch available.
Stack-based buffer overflow in the Manual Explore browser plug-in for Firefox in IBM Security AppScan Enterprise 5.6 and 8.x before 8.7 and IBM Rational Policy Tester 5.6 and 8.x before 8.5.0.4. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.
MariaDB 5.5.x before 5.5.30, 5.3.x before 5.3.13, 5.2.x before 5.2.15, and 5.1.x before 5.1.68, and Oracle MySQL 5.1.69 and earlier, 5.5.31 and earlier, and 5.6.11 and earlier allows remote attackers. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 20.8%.
Buffer overflow in yaSSL, as used in MySQL 5.1.x before 5.1.68 and 5.5.x before 5.5.30, has unspecified impact and attack vectors, a different vulnerability than CVE-2012-0553. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The General Responder implementation in the IP Service Level Agreement (SLA) feature in Cisco IOS 15.2 and IOS XE 3.1.xS through 3.4.xS before 3.4.5S and 3.5.xS through 3.7.xS before 3.7.2S allows. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The Protocol Translation (PT) functionality in Cisco IOS 12.3 through 12.4 and 15.0 through 15.3, when one-step port-23 translation or a Telnet-to-PAD ruleset is configured, does not properly. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The Smart Install client functionality in Cisco IOS 12.2 and 15.0 through 15.3 on Catalyst switches allows remote attackers to cause a denial of service (device reload) via crafted image list. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The RSVP protocol implementation in Cisco IOS 12.2 and 15.0 through 15.2 and IOS XE 3.1.xS through 3.4.xS before 3.4.5S and 3.5.xS through 3.7.xS before 3.7.2S, when MPLS-TE is enabled, allows remote. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable. No vendor patch available.
Buffer overflow in yaSSL, as used in MySQL 5.1.x before 5.1.68 and 5.5.x before 5.5.28, has unspecified impact and attack vectors, a different vulnerability than CVE-2013-1492. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
libdns in ISC DHCP 4.2.x before 4.2.5-P1 allows remote name servers to cause a denial of service (memory consumption) via vectors involving a regular expression, as demonstrated by a. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable. No vendor patch available.
libdns in ISC BIND 9.7.x and 9.8.x before 9.8.4-P2, 9.8.5 before 9.8.5b2, 9.9.x before 9.9.2-P2, and 9.9.3 before 9.9.3b2 on UNIX platforms allows remote attackers to cause a denial of service. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 44.8% and no vendor patch available.
The USB Apps API in Google Chrome before 26.0.1410.43 allows remote attackers to cause a denial of service (memory corruption) via unspecified vectors. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The URL loader in Google Chrome before 26.0.1410.43 allows remote attackers to cause a denial of service (out-of-bounds read) via unspecified vectors. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Heap-based buffer overflow in the wdm_in_callback function in drivers/usb/class/cdc-wdm.c in the Linux kernel before 3.8.4 allows physically proximate attackers to cause a denial of service (system. Rated medium severity (CVSS 6.9). Public exploit code available.
Use-after-free vulnerability in arch/x86/kvm/x86.c in the Linux kernel through 3.8.4 allows guest OS users to cause a denial of service (host OS memory corruption) or possibly have unspecified other. Rated medium severity (CVSS 6.8). No vendor patch available.
The kvm_set_msr_common function in arch/x86/kvm/x86.c in the Linux kernel through 3.8.4 does not ensure a required time_page alignment during an MSR_KVM_SYSTEM_TIME operation, which allows guest OS. Rated medium severity (CVSS 6.8). This Buffer Overflow vulnerability could allow attackers to corrupt memory to execute arbitrary code or crash the application.
Buffer overflow in CCEServer (aka the central communications component) in Siemens WinCC before 7.2, as used in SIMATIC PCS7 before 8.0 SP1 and other products, allows remote attackers to cause a. Rated medium severity (CVSS 6.1), this vulnerability is low attack complexity. No vendor patch available.
Buffer overflow in the RegReader ActiveX control in Siemens WinCC before 7.2, as used in SIMATIC PCS7 before 8.0 SP1 and other products, allows remote attackers to execute arbitrary code via a long. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.
Heap-based buffer overflow in RealNetworks RealPlayer before 16.0.1.18 and RealPlayer SP 1.0 through 1.1.5 allows remote attackers to execute arbitrary code via a malformed MP4 file. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.
Stack-based buffer overflow in llogincircuit.cc in latd 1.25 through 1.30 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The GPU process in Google Chrome OS before 25.0.1364.173 allows attackers to cause a denial of service or possibly have unspecified other impact via vectors related to an "overflow.". Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Integer overflow in drivers/gpu/drm/i915/i915_gem_execbuffer.c in the i915 driver in the Direct Rendering Manager (DRM) subsystem in the Linux kernel through 3.8.3, as used in Google Chrome OS before. Rated high severity (CVSS 7.2), this vulnerability is low attack complexity.
Stack-based buffer overflow in Firebird 2.1.3 through 2.1.5 before 18514, and 2.5.1 through 2.5.3 before 26623, on Windows allows remote attackers to execute arbitrary code via a crafted packet to. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. Public exploit code available and EPSS exploitation probability 86.7%.
IOAcceleratorFamily in Apple Mac OS X before 10.8.3 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted graphics image. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.
WebKit in Apple Safari before 6.0.3 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, a different vulnerability than. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.
WebKit in Apple Safari before 6.0.3 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted web site, a different vulnerability than. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.
Integer overflow in ptserver in OpenAFS before 1.6.2 allows remote attackers to cause a denial of service (crash) via a large list from the IdToName RPC, which triggers a heap-based buffer overflow. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Buffer overflow in certain client utilities in OpenAFS before 1.6.2 allows remote authenticated users to cause a denial of service (crash) and possibly execute arbitrary code via a long fileserver. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Buffer overflow in the RFC1413 (ident) client in cfingerd 1.4.3-3 allows remote IDENT servers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted response. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity.
The serializing/deserializing functions in the qpid::framing::Buffer class in Apache Qpid 0.20 and earlier allow remote attackers to cause a denial of service (assertion failure and daemon exit) via. Rated medium severity (CVSS 5.0), 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.
Integer overflow in the qpid::framing::Buffer::checkAvailable function in Apache Qpid 0.20 and earlier allows remote attackers to cause a denial of service (crash) via a crafted message, which. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity.
Heap-based buffer overflow in Adobe Flash Player before 10.3.183.68 and 11.x before 11.6.602.180 on Windows and Mac OS X, before 10.3.183.68 and 11.x before 11.2.202.275 on Linux, before 11.1.111.44. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 10.6% and no vendor patch available.
Adobe Flash Player before 10.3.183.68 and 11.x before 11.6.602.180 on Windows and Mac OS X, before 10.3.183.68 and 11.x before 11.2.202.275 on Linux, before 11.1.111.44 on Android 2.x and 3.x, and. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Microsoft OneNote 2010 SP1 does not properly determine buffer sizes during memory allocation, which allows remote attackers to obtain sensitive information via a crafted OneNote file, aka "Buffer. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 34.2% and no vendor patch available.
Buffer overflow in Microsoft SharePoint Server 2010 SP1 and SharePoint Foundation 2010 SP1 allows remote attackers to cause a denial of service (W3WP process crash and site outage) via a crafted URL,. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 70.1% and no vendor patch available.
The sandbox protection mechanism in Microsoft Internet Explorer 9 allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 17.2% and no vendor patch available.
The msrle_decode_8_16_24_32 function in msrledec.c in libavcodec in FFmpeg through 1.1.3 does not properly determine certain end pointers, which allows remote attackers to cause a denial of service. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Stack-based buffer overflow in the Curl_sasl_create_digest_md5_message function in lib/curl_sasl.c in curl and libcurl 7.26.0 through 7.28.1, when negotiating SASL DIGEST-MD5 authentication, allows. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 44.2%.
stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are enabled, does not correctly perform integer conversion, which allows remote proxy servers to execute arbitrary. Rated medium severity (CVSS 6.6), this vulnerability is remotely exploitable. No vendor patch available.
Heap-based buffer overflow in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 17 and earlier and JavaFX 2.2.7 and earlier allows 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 Hook_Terminate function in chrome_frame/protocol_sink_wrap.cc in the Google Chrome Frame plugin before 26.0.1410.28 for Internet Explorer does not properly handle attach tab requests, which. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.
The CSN.1 dissector in Wireshark 1.8.x before 1.8.6 does not properly manage function pointers, which allows remote attackers to cause a denial of service (application crash) via a malformed packet. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
The color management (CMM) functionality in the 2D component in Oracle Java SE 7 Update 15 and earlier, 6 Update 41 and earlier, and 5.0 Update 40 and earlier allows remote attackers to execute. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 93.0%.
The IndexedDB implementation in Google Chrome before 25.0.1364.152 allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The Web Audio implementation in Google Chrome before 25.0.1364.152 allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
nss-pam-ldapd before 0.7.18 and 0.8.x before 0.8.11 allows context-dependent attackers to cause a denial of service (application crash) and possibly execute arbitrary code by performing a name lookup. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.
Buffer overflow in Kingsoft Writer 2007 and 2010 before 2724 allows remote attackers to execute arbitrary code via a crafted RTF document. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Epss exploitation probability 11.0% and no vendor patch available.
The HTTP Profiler on the Cisco Aironet Access Point with software 15.2 and earlier does not properly manage buffers, which allows remote attackers to cause a denial of service (device reload) via. Rated medium severity (CVSS 6.1), this vulnerability is low attack complexity. No vendor patch available.
multipart/parser.rb in Rack 1.3.x before 1.3.8 and 1.4.x before 1.4.3 allows remote attackers to cause a denial of service (memory consumption and out-of-memory error) via a long string in a. Rated medium severity (CVSS 5.0), 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 mDNS snooping functionality on Cisco Wireless LAN Controller (WLC) devices with software 7.4.1.54 and earlier does not properly manage buffers, which allows remote authenticated users to cause a. Rated medium severity (CVSS 6.1), this vulnerability is low attack complexity. No vendor patch available.
Buffer overflow in the VFAT filesystem implementation in the Linux kernel before 3.3 allows local users to gain privileges or cause a denial of service (system crash) via a VFAT write operation on a. Rated medium severity (CVSS 6.2). Public exploit code available and no vendor patch available.
The log_prefix function in kernel/printk.c in the Linux kernel 3.x before 3.4.33 does not properly remove a prefix string from a syslog header, which allows local users to cause a denial of service. Rated medium severity (CVSS 4.0). No vendor patch available.
Cisco Unified Presence Server (CUPS) 8.6, 9.0, and 9.1 before 9.1.1 allows remote attackers to cause a denial of service (CPU consumption) via crafted packets to the SIP TCP port, aka Bug ID. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Buffer overflow in the broker service in Adobe Flash Player before 10.3.183.67 and 11.x before 11.6.602.171 on Windows and Mac OS X, and before 10.3.183.67 and 11.x before 11.2.202.273 on Linux,. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity.
The NAT process on Cisco Adaptive Security Appliances (ASA) devices allows remote attackers to cause a denial of service (connections-table memory consumption) via crafted packets, aka Bug ID. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The (1) sss_autofs_cmd_getautomntent and (2) sss_autofs_cmd_getautomntbyname function in responder/autofs/autofssrv_cmd.c and the (3) ssh_cmd_parse_request function in responder/ssh/sshsrv_cmd.c in. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Nuance PDF Reader 7.0 and PDF Viewer Plus 7.1 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted PDF document. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.
Multiple stack-based buffer overflows in AntDS.exe in BigAntSoft BigAnt IM Message Server allow remote attackers to have an unspecified impact via (1) the filename header in an SCH request or (2) the. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 76.5%.
Stack-based buffer overflow in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to execute arbitrary code via a crafted packet. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Integer signedness error in 3S CODESYS Gateway-Server before 2.3.9.27 allows remote attackers to cause a denial of service via a crafted packet that triggers a heap-based buffer overflow. Rated high severity (CVSS 7.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Integer overflow in the padding implementation in the opus_packet_parse_impl function in src/opus_decoder.c in Opus before 1.0.2, as used in Google Chrome before 25.0.1364.97 on Windows and Linux and. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Google Chrome before 25.0.1364.97 on Windows and Linux, and before 25.0.1364.99 on Mac OS X, does not properly manage memory during message handling for plug-ins, which allows remote attackers to. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Buffer overflow in the vorbis_parse_setup_hdr_floors function in the Vorbis decoder in vorbisdec.c in libavcodec in FFmpeg through 1.1.3, as used in Google Chrome before 25.0.1364.97 on Windows and. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Multiple unspecified vulnerabilities in the IPC layer in Google Chrome before 25.0.1364.97 on Windows and Linux, and before 25.0.1364.99 on Mac OS X, allow remote attackers to cause a denial of. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Skia, as used in Google Chrome before 25.0.1364.97 on Windows and Linux, and before 25.0.1364.99 on Mac OS X, allows remote attackers to cause a denial of service (out-of-bounds read) via vectors. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Skia, as used in Google Chrome before 25.0.1364.97 on Windows and Linux, and before 25.0.1364.99 on Mac OS X, allows remote attackers to cause a denial of service (incorrect read operation) via. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Google Chrome before 25.0.1364.97 on Windows and Linux, and before 25.0.1364.99 on Mac OS X, allows remote attackers to cause a denial of service (incorrect read operation) via crafted data in the. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Google Chrome before 25.0.1364.97 on Windows and Linux, and before 25.0.1364.99 on Mac OS X, does not properly implement web audio nodes, which allows remote attackers to cause a denial of service. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
VMware vCenter Server 4.0 before Update 4b, 5.0 before Update 2, and 5.1 before 5.1.0b; VMware ESXi 3.5 through 5.1; and VMware ESX 3.5 through 4.1 do not properly implement the Network File Copy. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable. No vendor patch available.
VMware vCenter Server 4.1 before Update 3 and 5.0 before Update 2, and vCSA 5.0 before Update 2, allows remote attackers to cause a denial of service (disk consumption) via vectors that trigger large. Rated high severity (CVSS 7.8), 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 cipso_v4_validate function in net/ipv4/cipso_ipv4.c in the Linux kernel before 3.4.8 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have. Rated medium severity (CVSS 6.6). No vendor patch available.
arch/x86/include/asm/pgtable.h in the Linux kernel before 3.6.2, when transparent huge pages are used, does not properly support PROT_NONE memory regions, which allows local users to cause a denial. Rated medium severity (CVSS 4.7). No vendor patch available.
IBM WebSphere Message Broker 6.1 before 6.1.0.12, 7.0 before 7.0.0.6, and 8.0 before 8.0.0.2, when the Parse Query Strings option is enabled on an HTTPInput node, allows remote attackers to cause a. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 19.0, Thunderbird before 17.0.3, and SeaMonkey before 2.16 allow remote attackers to cause a denial of service. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Public exploit code available.