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,...

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...

Oracle Linux 9 : rrdtool (ELSA-2026-34156)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-34156 advisory. 1.7.2-22 - Fixed stack buffer overflow in rrdcached and added more security checks Resolves: RHEL-173257 Tenable has extracted the preceding description block...

ROS-20260702-73-0023

The vulnerability of the dccperror function in the net/netfilter/nfconntrackprotodccp.c module of the netfilter component in the Linux operating system is related to buffer overflow based on a stack. Exploiting this vulnerability could allow an attacker to cause a service failure...

rrdtool: rrdtool: Stack buffer overflow allows local code execution or denial of service

A flaw was found in rrdcached, a component of rrdtool. A local attacker with access to a rrdcached socket can exploit a stack-based buffer overflow by sending an oversized CREATE request. This vulnerability can lead to a denial of service by crashing the daemon or potentially allow for arbitrary...

rrdtool security update

1.7.2-22 - Fixed stack buffer overflow in rrdcached and added more security checks Resolves: RHEL-173257...

AlmaLinux 8 : rrdtool (ALSA-2026:34155)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:34155 advisory. rrdtool: Stack buffer overflow in rrdcached handlerequestcreate allows local privilege escalation via unbounded DS/RRA arguments CVE-2026-43958 Tenable has...

ALSA-2026:34155 Moderate: rrdtool security update

The round robin database RRD system stores and displays time-series data, such as network bandwidth, machine-room temperature, and server load average. RRDtool is a high performance data logging and graphing utility, which can be easily integrated with shell scripts, or used to create application...

postgresql: PostgreSQL: Arbitrary code execution vulnerability in 'refint' module

A flaw was found in PostgreSQL. A stack buffer overflow in the 'refint' module allows an unprivileged database user to execute arbitrary code as the operating system user running the database. Additionally, a separate vulnerability exists where, if an application uses a user-controlled column as ...

CVE-2026-11979

libxml2 is vulnerable to multiple stack-based buffer overflows in the xmlcatalog utility when running in --shell mode. The usershell function processes user input using fixed-size stack buffers without proper bounds checking. By supplying an overly long input line, an attacker can overflow intern...

SUSE-SU-2026:2678-1 Security update for opensc

This update for opensc fixes the following issues - CVE-2025-49010: stack-buffer-overflow via crafted smart card or USB device responses bsc1261214. - CVE-2025-66215: crafted smart card or USB device can cause a stack-buffer-overflow write bsc1261220. - CVE-2026-10275: global buffer overflow duri...

AlmaLinux 9 : tigervnc (ALSA-2026:29844)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:29844 advisory. xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libXfont2 name length mismatch...

ALPINE-CVE-2026-55892

Vim is an open source, command line text editor. Prior to 9.2.0662, the dumpprefixes function in src/spell.c walks a spell-file prefix trie iteratively with a depth counter while dumping the prefixes that apply to a word. The counter is bounded only by the trie structure itself; it is never check...

Important: Red Hat Security Advisory: tigervnc security update

An update for tigervnc is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...