Astra Linux – Vulnerability in Squid

Squid is a caching proxy for the Web. Prior to version 7.5, due to improper input validation, Squid was vulnerable to out-of-bound reads when handling ICP traffic. This issue allowed a remote attacker to access small amounts of memory that might contain sensitive information, by responding with...

The vulnerability of the strchr() function in the Squid proxy server allows a hacker to gain unauthorized access to protected information.

The vulnerability of the strchr function in the Squid proxy server is related to the escape from memory buffer boundaries. Exploiting this vulnerability could allow a remote attacker to gain unauthorized access to protected information...

29-Year-Old Squid Proxy Bug 'Squidbleed' Can Leak Cleartext HTTP Requests

A heap over-read in the Squid web proxy can leak another user's cleartext HTTP request, including any credentials or session tokens it carries, to anyone already allowed to send traffic through the same proxy. The bug traces to a 1997 FTP-parsing change and is still live in Squid's default...

Important: squid

Issue Overview: Due to an Improper Input Validation bug, Squid is vulnerable to a Heap-based Buffer Overflow attack against cache digests. This problem allows a trusted server to perform a Heap-based Buffer Overflow when sending maliciously crafted replies to cachedigest request messages. This...

Important: squid

Issue Overview: Due to an Improper Input Validation bug, Squid is vulnerable to a Heap-based Buffer Overflow attack against cache digests. This problem allows a trusted server to perform a Heap-based Buffer Overflow when sending maliciously crafted replies to cachedigest request messages. This...

Amazon Linux 2023 : squid (ALAS2023-2026-1858)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1858 advisory. Due to an Improper Input Validation bug, Squid is vulnerable toa Heap-based Buffer Overflow attack against cache digests. This problem allows a trusted server to perform a Heap-basedBuffer Overflow whe...

Amazon Linux 2 : squid, --advisory ALAS2-2026-3371 (ALAS-2026-3371)

The version of squid installed on the remote host is prior to 3.5.20-17. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3371 advisory. Due to an Improper Input Validation bug, Squid is vulnerable toa Heap-based Buffer Overflow attack against cache digests. This...

[SECURITY] [DSA 6360-1] squid security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6360-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff June 21, 2026 https://www.debian.org/security/faq -...

Debian dsa-6360 : squid - security update

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6360 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6360-1 [email protected] https://www.debian.org/securit...

ROOT-OS-DEBIAN-12-CVE-2026-47729 CVE-2026-47729 in rootio-squid - Patched by Root

Root has patched CVE-2026-47729 in the rootio-squid package for Root:Debian:12. Multiple fixed versions available...

ROOT-OS-DEBIAN-13-CVE-2026-47729 CVE-2026-47729 in rootio-squid - Patched by Root

Root has patched CVE-2026-47729 in the rootio-squid package for Root:Debian:13. Multiple fixed versions available...

OPENSUSE-SU-2026:11069-1 squid-7.6-1.1 on GA media

These are all security issues fixed in the squid-7.6-1.1 package on the GA media of openSUSE Tumbleweed...

Squid < 7.6 Heap-based Buffer Overflow

The version of Squid on the remote host is prior to 7.6. It is, therefore, affected by a heap-based buffer overflow vulnerability: - Due to an Improper Input Validation bug, Squid is vulnerable to a Heap-based Buffer Overflow attack against cache digests. This problem allows a trusted server to...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Squid vulnerabilities (USN-8435-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8435-1 advisory. It was discovered that Squid incorrectly handled FTP gateway processing under certain circumstances, which could result i...

USN-8435-1 squid vulnerabilities

It was discovered that Squid incorrectly handled FTP gateway processing under certain circumstances, which could result in an out-of-bounds read. A remote attacker could use this issue to cause Squid to crash, resulting in a denial of service, or possibly obtain sensitive information...

Friday Squid Blogging: Squid-Inspired Fluid Pump

This fluid pump was inspired by the way squids propel themselves through the water. As usual, you can also use this squid post to talk about the security stories in the news that I haven't covered. Blog moderation policy...

PT-2026-49606

Name of the Vulnerable Software and Affected Versions squid-cache Squid affected versions not specified Description A heap-based buffer overflow occurs during the processing of cache digests. A heap-based buffer overflow is a memory corruption issue where a program writes more data to a buffer...

Linux Distros Unpatched Vulnerability : CVE-2026-50012

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Squid is a caching proxy for the Web. Prior to 7.6, due to an improper input validation bug in cache digest reply handling peerDigestSwapInMask in...

Linux Distros Unpatched Vulnerability : CVE-2026-47729

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Squid is a caching proxy for the Web. Prior to 7.6, due to an improper validation of syntactic correctness of input in the FTP gateway src/clients/FtpGateway.cc...

TencentOS Server 4: squid (TSSA-2026:0346)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0346 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...