RLSA-2026:6799 Important: freerdp security update

FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Security Fixes: freerdp: FreeRDP heap-use-after-free CVE-2026-22856 freerdp: FreeRDP...

Heap Buffer Overflow in Hexadecimal Conversion

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perl-YAML-Syck security update

An update is available for perl-YAML-Syck. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list This module provides a Perl interface to the libsyck data serializatio...

RLSA-2026:6918 Important: freerdp security update

FreeRDP is a free implementation of the Remote Desktop Protocol RDP, released under the Apache license. The xfreerdp client can connect to RDP servers such as Microsoft Windows machines, xrdp, and VirtualBox. Security Fixes: freerdp: FreeRDP heap-use-after-free CVE-2026-22856 freerdp: FreeRDP...

RLSA-2026:6445 Important: libpng12 security update

The libpng12 package provides libpng 1.2, which is the previous version of the libpng library for manipulating PNG Portable Network Graphics image format files. This version should be used in case that it is not possible to use the current version of libpng. Security Fixes: libpng: LIBPNG has a...

Orthanc 安全漏洞

Orthanc is a free open-source software developed by the Orthanc company. Orthanc has a security vulnerability, which stems from a heap buffer overflow in the DICOM image decoder. This vulnerability may lead to integer overflows and out-of-bound memory accesses during image decoding...

PT-2026-31737

Name of the Vulnerable Software and Affected Versions CertFromX509 affected versions not specified Description A heap buffer overflow occurs when converting an X.509 certificate internally due to incorrect size handling of the AuthorityKeyIdentifier extension. Recommendations At the moment, there...

RockyLinux 8 : libpng12 (RLSA-2026:6445)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:6445 advisory. libpng: LIBPNG has a heap buffer overflow in pngsetquantize CVE-2026-25646 Tenable has extracted the preceding description block directly from the RockyLinux...

RockyLinux 8 : libpng15 (RLSA-2026:6439)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:6439 advisory. libpng: LIBPNG has a heap buffer overflow in pngsetquantize CVE-2026-25646 Tenable has extracted the preceding description block directly from the RockyLinux...

CVE-2026-5869

Heap buffer overflow in WebML in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. Chromium security severity: High...

CLSA-2026-1775683048 ImageMagick: Fix of CVE-2025-57807

CVE-2025-57807: heap buffer overflow in WriteBlobStream and WriteBlob via incorrect extent calculation when offset exceeds current capacity...

SUSE-SU-2026:21037-1 Security update for openssl-3

This update for openssl-3 fixes the following issues: - CVE-2026-28387: Potential use-after-free in DANE client code bsc1260441. - CVE-2026-28388: NULL Pointer Dereference When Processing a Delta CRL bsc1260442. - CVE-2026-28389: Possible NULL dereference when processing CMS KeyAgreeRecipientInfo...

Important: Red Hat Security Advisory: libpng12 security update

An update for libpng12 is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. 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 fo...

Important: Red Hat Security Advisory: libpng12 security update

An update for libpng12 is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. 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 f...

freerdp: FreeRDP: Arbitrary code execution via crafted Remote Desktop Protocol (RDP) server messages

A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol RDP. The gdisurfacebits function, which processes SURFACEBITSCOMMAND messages, does not properly validate image dimensions bmp.width and bmp.height provided by a malicious RDP server. This can lead to a heap buffer...

RHEL 8 : libpng12 (RHSA-2026:7033)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:7033 advisory. The libpng12 package provides libpng 1.2, which is the previous version of the libpng library for manipulating PNG Portable Network Graphics image...

freerdp: FreeRDP: Arbitrary code execution via crafted Remote Desktop Protocol (RDP) server messages

A flaw was found in FreeRDP, a free implementation of the Remote Desktop Protocol RDP. The gdisurfacebits function, which processes SURFACEBITSCOMMAND messages, does not properly validate image dimensions bmp.width and bmp.height provided by a malicious RDP server. This can lead to a heap buffer...

CVE-2026-20911

A flaw was found in LibRaw. A remote attacker can exploit a heap-based buffer overflow vulnerability in the HuffTable::initval functionality by providing a specially crafted malicious file. This can lead to arbitrary code execution or a denial of service DoS on the affected system. Mitigation...

capstone: Capstone: Heap buffer overflow via skipdata callback allows denial of service or arbitrary code execution.

A flaw was found in Capstone, a disassembly framework. A local attacker could exploit a heap buffer overflow vulnerability by providing a specially crafted skipdata callback. This flaw occurs because the skipdata length is not properly bounds-checked, which may allow an attacker to write beyond...

DEBIAN-CVE-2026-20884

An integer overflow vulnerability exists in the deflatedngloadraw functionality of LibRaw Commit 8dc68e2. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability...