RLSA-2026:80514 Moderate: compat-openssl11 security update

The OpenSSL toolkit provides support for secure communications between machines. This version of OpenSSL package contains only the libraries from the 1.1.1 version and is provided for compatibility with previous releases. Security Fixes: openssl: heap buffer overflow in CMS key unwrapping...

CVE-2026-109833 Gnome-remote-desktop: heap buffer overflow in gnome-remote-desktop vnc tls peek buffer handling allows remote denial of service

A flaw was found in gnome-remote-desktop as shipped in Red Hat Enterprise Linux. In the VNC TLS read path, partial consumption of the internal peek buffer incorrectly moves remaining peeked bytes into the caller-supplied buffer instead of compacting the peek buffer. A remote attacker who can reac...

CVE-2026-109833

A heap buffer overflow exists in gnome-remote-desktop as shipped in Red Hat Enterprise Linux. The vulnerability resides in the VNC TLS read path , where partial consumption of the internal peek buffer incorrectly moves remaining peeked bytes into a caller-supplied buffer rather than compacting th...

Important: Red Hat Security Advisory: librabbitmq security update

An update for librabbitmq 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 fr...

rabbitmq-c: rabbitmq-c: Heap buffer overflow leading to denial of service

A flaw was found in rabbitmq-c. A malicious AMQP Advanced Message Queuing Protocol server or an on-path attacker can send an undersized frame size during the login handshake. This can lead to a heap buffer overflow, causing memory corruption and potentially a denial of service. Code execution is...

Important: Red Hat Security Advisory: libreoffice security update

An update for libreoffice 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 fr...

libreoffice: heap buffer overflow in PDF import stream handling

A flaw was found in LibreOffice. When a user imports a specially crafted PDF document with LibreOffice Draw, a heap-based buffer overflow can occur due to improper validation of the stream length. This issue can cause memory corruption, resulting in an application crash...

Review.CVE-2021-3156

👑 CVE-2021-3156 Baron Samedit — Privilege Escalation via Heap Overflow in sudo 📅 Date: 2025-06-08 ✍️ Author: @TopskiyPavelQwertyGang 🧠 Security Researcher | Red Team Enthusiast 🧠 CVE Overview CVE-ID: CVE-2021-3156 Type: Heap-based Buffer Overflow Component: sudoedit sudo Access Level: Local Goal:...

CVE-2026-35001 OpenS100 S-102 Parser Integer Overflow Heap Buffer Overflow

OpenS100 through commit 2b1dafc contains an integer overflow vulnerability in the S-102 Bathymetric Surface parser. An attacker can supply a crafted S-102 HDF5 file with malicious grid dimension metadata that causes memory corruption when a user opens it. In the S102VGBathymetryCoverage::Read...

CVE-2026-35001 OpenS100 S-102 Parser Integer Overflow Heap Buffer Overflow

OpenS100 through commit 2b1dafc contains an integer overflow vulnerability in the S-102 Bathymetric Surface parser. An attacker can supply a crafted S-102 HDF5 file with malicious grid dimension metadata that causes memory corruption when a user opens it. In the S102VGBathymetryCoverage::Read...

CVE-2026-35001

The OpenS100 software (through commit daa35b ) is vulnerable to an integer overflow within the S-102 Bathymetric Surface parser . The root cause is the unvalidated multiplication of numPointsLatitudinal and numPointsLongitudinal values in the S102_VG_BathymetryCoverage::Read() function. By provid...

CentOS Linux 8.4 [TuxCare] Security Update: zlib / zlib-devel / zlib-static (CENTOS8.4:CLSA-2026:1791915688)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2026:1791915688 advisory. - zlib 1.2.11 through 1.3.2 contains a heap buffer overflow: after an underlying write fails, gzwrite returns without resetting strm.nextin,...

SUSE SLED15: libunbound8 / unbound / unbound-anchor / unbound-devel / etc (SUSE-SU-2026:4620-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4620-1 advisory. - CVE-2026-77860: 'serve-expired' can bypass Unbound 'wait-limit' bsc1280403. - CVE-2026-77955: Possible ZONEM...

7-Zip < 26.02 XZ Heap Buffer Overflow RCE (ZDI-26-444)

The version of 7-Zip installed on the remote host is prior to 26.02. It is, therefore, affected by a remote code execution vulnerability as referenced in the ZDI-26-444 advisory. - This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User...

Important: librabbitmq security update

The librabbitmq packages provide an Advanced Message Queuing Protocol AMQP client library that allows you to communicate with AMQP servers using protocol version 0-9-1. Security Fixes: rabbitmq-c: rabbitmq-c: Heap buffer overflow leading to denial of service CVE-2026-44236 For more details about...

PT-2026-111571

Name of the Vulnerable Software and Affected Versions Wazuh versions 3.12.0 through 4.14.7 Description A heap buffer overflow exists in the fim generate alert function. The issue occurs because the full log variable is sized based on input but written with a boundary defined by OS MAXSTR. An...

librabbitmq security update

0.11.0-7.1 - CVE-2026-44236 librabbitmq: rabbitmq-c: Heap buffer overflow leading to denial of service rhel-8.10.z to denial of service rhel-8.10.z Resolves: RHEL-266750...

ALSA-2026:82094 Important: librabbitmq security update

The librabbitmq packages provide an Advanced Message Queuing Protocol AMQP client library that allows you to communicate with AMQP servers using protocol version 0-9-1. Security Fixes: rabbitmq-c: rabbitmq-c: Heap buffer overflow leading to denial of service CVE-2026-44236 For more details about...

CentOS Linux 7 [TuxCare] Security Update: freerdp / freerdp-devel / freerdp-libs / libwinpr / libwinpr-devel Multiple Vulnerabilities (CENTOS7:CLSA-2026:1791568721)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1791568721 advisory. - FreeRDP versions before 3.31.0 contain a heap buffer overflow vulnerability in negosendnegotiationrequest that fails to validate the...

CentOS Linux 8.5 [TuxCare] Security Update: zlib / zlib-devel / zlib-static (CENTOS8.5:CLSA-2026:1791916248)

The CentOS Linux 8.5 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.5:CLSA-2026:1791916248 advisory. - zlib 1.2.11 through 1.3.2 contains a heap buffer overflow: after an underlying write fails, gzwrite returns without resetting strm.nextin,...