squid: Squid: Denial of Service via heap Use-After-Free vulnerability in ICP handling

A flaw was found in Squid. A remote attacker can exploit a heap Use-After-Free vulnerability when handling ICP Internet Cache Protocol traffic. This allows them to perform a reliable and repeatable Denial of Service DoS attack, making the Squid service unavailable. This attack is limited to...

Important: Red Hat Security Advisory: squid security update

An update for squid 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 for...

RHEL 7 : squid (RHSA-2026:8880)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:8880 advisory. Squid is a high-performance proxy caching server for web clients, supporting FTP, and HTTP data objects. Security Fixes: squid: Squid: Denia...

MiracleLinux 8 : squid:4 (AXSA:2026-463:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-463:01 advisory. squid: Squid: Denial of Service via heap Use-After-Free vulnerability in ICP handling CVE-2026-33526 Squid: Squid: Denial of Service via crafted ICP...

Friday Squid Blogging: New Giant Squid Video

Pretty fantastic video from Japan of a giant squid eating another squid. 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...

Photon OS 4.0: Squid PHSA-2026-4.0-0996

An update of the squid package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-4.0-0996. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

PT-2026-49605

Name of the Vulnerable Software and Affected Versions Squid versions prior to 7.6 Description An out-of-bounds read exists in the FTP gateway due to improper validation of input syntactic correctness within the src/clients/FtpGateway.cc file. When a listing entry date in TypeA or TypeB...

Photon OS 5.0: Squid PHSA-2026-5.0-0819

An update of the squid package has been released. %NASLMINLEVEL 80900 C Tenable, Inc. The descriptive text and package checks in this plugin were extracted from VMware Security Advisory PHSA-2026-5.0-0819. The text itself is copyright C VMware, Inc. include'compat.inc'; if description...

Oracle Linux 8 : squid:4 (ELSA-2026-8317)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-8317 advisory. - Fix patch for CVE-2026-32748 - Resolves: RHEL-160675 - squid:4/squid: Squid: Denial of Service via crafted ICP traffic CVE-2026-32748 - Resolves:...

RHSA-2026:8317 Red Hat Security Advisory: squid:4 security update

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squid:4 security update

An update is available for squid, libecap, module.libecap, module.squid. 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 Squid is a high-performance proxy cachin...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: squid (UTSA-2026-007175)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007175 advisory. Squid is a caching proxy for the Web. Prior to version 7.5, due to improper input validation, Squid is vulnerable to out of bounds read when handling ICP traffic. Th...

RockyLinux 8 : squid:4 (RLSA-2026:8317)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:8317 advisory. squid: Squid: Denial of Service via heap Use-After-Free vulnerability in ICP handling CVE-2026-33526 Squid: Squid: Denial of Service via crafted ICP...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: squid (UTSA-2026-007171)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007171 advisory. Squid is a caching proxy for the Web. Prior to version 7.5, due to heap Use-After-Free, Squid is vulnerable to Denial of Service when handling ICP traffic. This...

squid:4 security update

libecap 1.0.1-2 - Resolves: 1695587 - Ensure modular RPM upgrade path 1.0.1-1 - new version 1.0.1 - autoconf.h moved from lookaside to dist-git 1.0.0-7 - Rebuilt for https://fedoraproject.org/wiki/Fedora27BinutilsMassRebuild 1.0.0-6 - Rebuilt for https://fedoraproject.org/wiki/Fedora27MassRebuild...

AlmaLinux 8 : squid:4 (ALSA-2026:8317)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:8317 advisory. squid: Squid: Denial of Service via heap Use-After-Free vulnerability in ICP handling CVE-2026-33526 Squid: Squid: Denial of Service via crafted ICP traff...

RHEL 8 : squid:4 (RHSA-2026:8317)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:8317 advisory. Squid is a high-performance proxy caching server for web clients, supporting FTP, and HTTP data objects. Security Fixes: squid: Squid: Denia...

Squid: Squid: Denial of Service via crafted ICP traffic

A flaw was found in Squid. A remote attacker can exploit this vulnerability by sending specially crafted ICP Internet Cache Protocol traffic. This can lead to a Denial of Service DoS due to premature resource release and use-after-free vulnerabilities. This attack is possible in Squid deployments...

Important: Red Hat Security Advisory: squid:4 security update

An update for the squid:4 module is now available for Red Hat Enterprise Linux 8. 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...

squid: Squid: Denial of Service via heap Use-After-Free vulnerability in ICP handling

A flaw was found in Squid. A remote attacker can exploit a heap Use-After-Free vulnerability when handling ICP Internet Cache Protocol traffic. This allows them to perform a reliable and repeatable Denial of Service DoS attack, making the Squid service unavailable. This attack is limited to...