CVE-2026-51536

In OpENer 2.3.0 commit 76b95cf when parsing incoming CIP Common Industrial Protocol network packets, the length parameter is inconsistently typed across the call stack. Specifically, an upstream length calculated as an int is passed to a downstream function that expects an EipInt16 a 16-bit signe...

CVE-2026-51536: Integer Overflow or Wraparound

In OpENer 2.3.0 commit 76b95cf when parsing incoming CIP Common Industrial Protocol network packets, the length parameter is inconsistently typed across the call stack. Specifically, an upstream length calculated as an int is passed to a downstream function that expects an EipInt16 a 16-bit signe...

Exploit for CVE-2026-82539

CVE-2026-82539 Submitter: Nicola Giuffrida Information...

CVE-2026-55213

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK instruction sent from the peer over HTTP/3, lib/http3/qpack.c might allocate an on-stack buffer as large as approximately 800 KB by calling...

CVE-2026-55213

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK instruction sent from the peer over HTTP/3, lib/http3/qpack.c might allocate an on-stack buffer as large as approximately 800 KB by calling...

EUVD-2026-43036

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK instruction sent from the peer over HTTP/3, lib/http3/qpack.c might allocate an on-stack buffer as large as approximately 800 KB by calling...

CVE-2026-55213 h2o: musl libc stack overflow (QPACK)

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. Prior to commit edd7a120bfc4af11ac0cbebce2a43cc1f93f9af1, when h2o processes a QPACK instruction sent from the peer over HTTP/3, lib/http3/qpack.c might allocate an on-stack buffer as large as approximately 800 KB by calling...

ALPINE-CVE-2026-59857

Vim is an open source, command line text editor. Prior to 9.2.0725, the single-byte branch of spellsoundfoldsal in src/spell.c translates a word through a spell file's SAL sound-folding rules into a caller-owned result buffer, but its result writes are guarded with reslen MAXWLEN, allowing reslen...

CVE-2026-59692 Gstreamer1-plugins-bad-free: gstreamer: dtls certificate subject dn stack buffer overflow in openssl_verify_callback

A stack buffer overflow vulnerability was found in GStreamer's DTLS plugin. During a DTLS handshake, the peer certificate Subject Distinguished Name is printed into a fixed-size 2048-byte stack buffer without bounds checking. A remote unauthenticated attacker can send a certificate with an...

RLSA-2026:36734 Low: libxml2 security update

The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: Stack Buffer Overflow in xmllint Interactive Shell Command Handling CVE-2025-6170 For more details about the security issues, including the impact, a CVSS score,...

ROS-20260709-73-0020

The vulnerability in ImageMagick7 is related to buffer overflow in the stack. Exploiting this vulnerability can allow a remote attacker to execute arbitrary code...

CVE-2026-60095: Stack-based Buffer Overflow

Vinchin Backup & Recovery through 9.0.0.86562 contains a stack buffer overflow vulnerability in the ModuleHandShake function of the agentlinkserver service that allows unauthenticated remote attackers to overwrite the saved return address by supplying an oversized listenuuid field that is measure...

PT-2026-56802

Vinchin Backup & Recovery through 9.0.0.86562 contains a stack buffer overflow vulnerability in the ModuleHandShake function of the agentlink server service that allows unauthenticated remote attackers to overwrite the saved return address by supplying an oversized listen uuid field that is...

ANT-2026-QPYFFTMS · gdal · Stack-buffer-overflow

stack-buffer-overflow high Severity Claude critical · Security research firm high revised; sealed as critical · Maintainer - Discovered by Claude Sonnet 4.6 REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-QPYFFTMS:...

ANT-2026-GBSMA7AY · tz · Stack-buffer-overflow

stack-buffer-overflow high Severity Claude high · Security research firm high · Maintainer - Discovered by an unreleased Anthropic model REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-GBSMA7AY: Stack buffer overflow via...

ANT-2026-S6CB3P3P · bind9 · Stack Buffer Overflow

stack-buffer-overflow high Severity Claude high · Security research firm high · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-S6CB3P3P: 03-bind9-matchnsec3-stack-bof In BIND's...

xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in XKB SetMap request via mapWidths indexing

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. XkbSetMapChecks declares a fixed-size stack buffer mapWidths256 indexed by key type index. The helper function CheckKeyTypes writes to this buffer at a client-controlled offset, allowing a stack buffer overflow. This...

ALSA-2026:36734 Low: libxml2 security update

The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: Stack Buffer Overflow in xmllint Interactive Shell Command Handling CVE-2025-6170 For more details about the security issues, including the impact, a CVSS score,...

RHEL 9 : xorg-x11-server-Xwayland (RHSA-2026:36633)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:36633 advisory. Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server:...

RHEL 9 : xorg-x11-server (RHSA-2026:36085)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:36085 advisory. X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical us...