Important: Red Hat Security Advisory: libpq security update

An update for libpq 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 the...

postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory

A flaw was found in PostgreSQL libpq. A server superuser can exploit a buffer overflow vulnerability in the PQfn function, which is used by client functions such as loexport, loread, lolseek64, and lotell64. This allows the superuser to send an arbitrarily large response, overwriting the client's...

'dns-error-reporting: yes' leads to stack buffer overflow

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Mozilla Firefox ESR buffer overflow vulnerability (CNVD-2026-31197)

Mozilla Firefox ESR is an extended support version of Firefox a web browser open-sourced by the Mozilla Foundation. Mozilla Firefox ESR has a buffer overflow vulnerability. This vulnerability stems from a memory security flaw; attackers can exploit this vulnerability to cause memory corruption,...

Fedora 44 : llvm (2026-597e8f9de1)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-597e8f9de1 advisory. Backport fixes from LLVM 23 - Fix an issue that could cause a buffer overflow when reading a corrupted bitcode file. - Fix a miscompilation known to affect...

PT-2026-64206

Name of the Vulnerable Software and Affected Versions Microsoft Account affected versions not specified Description A heap-based buffer overflow occurs in Microsoft Account, which could allow an unauthorized attacker to execute arbitrary code over a network. A heap-based buffer overflow is a memo...

ROS-20260723-73-0071

The vulnerability of the PDFium component in the Google Chrome browser is related to buffer overflow in dynamic memory. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

TencentOS Server 2: freerdp (TSSA-2026:0753)

The version of Tencent Linux installed on the remote TencentOS Server 2 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0753 advisory. Package updates are available for TencentOS Server 2 that fix the following vulnerabilities...

Important: libpq security update

The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes: postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory CVE-2026-6477 For more details about the security issues,...

Oracle Linux 8 : httpd:2.4 (ELSA-2026-42828)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-42828 advisory. - Resolves: RHEL-173558 - httpd:2.4/httpd: Apache HTTP Server modproxyajp: Arbitrary code execution via heap-based buffer overflow CVE-2026-28780 -...

ROS-20260723-73-0070

The vulnerability of the PDFium component in the Google Chrome browser is related to buffer overflow in dynamic memory. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

RHEL 9 : libpq (RHSA-2026:44308)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:44308 advisory. The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes: postgresql:...

AlmaLinux 10 : libpq (ALSA-2026:44391)

The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:44391 advisory. postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory CVE-2026-6477 Tenable has extracted the preceding...

RHEL 10 : libpq (RHSA-2026:44391)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:44391 advisory. The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes: postgresql...

Google Chrome buffer overflow vulnerability (CNVD-2026-30673)

Chrome is a web browser developed by Google. Google Chrome has a security vulnerability, which stems from a boundary error in the V8 module. Attackers can exploit this vulnerability to execute arbitrary code within the sandbox through specially crafted HTML pages...

RHEL 8 : libpq (RHSA-2026:44420)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:44420 advisory. The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes:...

AlmaLinux 9 : libpq (ALSA-2026:44308)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:44308 advisory. postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory CVE-2026-6477 Tenable has extracted the preceding descripti...

ALSA-2026:44391 Important: libpq security update

The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes: postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory CVE-2026-6477 For more details about the security issues,...

ALSA-2026:44308 Important: libpq security update

The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers. Security Fixes: postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory CVE-2026-6477 For more details about the security issues,...

USN-8592-1 imagemagick vulnerabilities

Hao Ren discovered that ImageMagick incorrectly handled certain images when using the wavelet-denoise operation. An attacker could possibly use this issue to trigger an out-of-bounds heap write, resulting in arbitrary code execution. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS,...