Astra Linux – Vulnerability in Squid

In versions 4.14 and 5.x through 5.0.5, in some configurations, the Squid vulnerability allows information disclosure due to an out-of-bounds read in the WCCP protocol data. This vulnerability can be exploited as part of a chain for remote code execution, as there is no one to protect it...

Astra Linux – Vulnerability in Squid

Squid is a web proxy cache. Starting from version 3.5.27 and before version 6.8, Squid may be vulnerable to a Denial of Service attack against the HTTP Chunked decoder due to an uncontrolled recursion bug. This issue allows a remote attacker to cause a Denial of Service when sending a crafted,...

Astra Linux – Vulnerability in Squid

Squid is a caching proxy for the Web. Due to an uncontrolled recursion bug in versions 2.6 through 2.7.STABLE9, versions 3.1 through 5.9, and versions 6.0.1 through 6.5, Squid may be vulnerable to a Denial of Service attack involving HTTP request parsing. This issue allows a remote client to carr...

Astra Linux – Vulnerability in Squid

Versions of Squid before 4.15 and 5.x before 5.0.6 allowed remote servers to cause a denial of service, affecting the availability of all clients through an HTTP response. The issue is triggered by a header that is expected to exist in HTTP traffic, without any malicious intent on the part of the...

TencentOS Server 2: squid (TSSA-2025:1012)

The version of Tencent Linux installed on the remote TencentOS Server 2 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2025:1012 advisory. Package updates are available for TencentOS Server 2 that fix the following vulnerabilities:...

RHEL 10 : squid (RHSA-2026:11901)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:11901 advisory. Squid is a high-performance proxy caching server for web clients, supporting FTP, and HTTP data objects. Security Fixes: squid: Squid:...

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...

RHEL 9 : squid (RHSA-2026:10255)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:10255 advisory. Squid is a high-performance proxy caching server for web clients, supporting FTP, and HTTP data objects. Security Fixes: squid: Squid: Deni...

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...

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...

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...

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 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...

RockyLinux 10 : squid (RLSA-2026:8119)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:8119 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...

Amazon Linux 2 : squid, --advisory ALAS2-2026-3242 (ALAS-2026-3242)

The version of squid installed on the remote host is prior to 3.5.20-17. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3242 advisory. Squid is a caching proxy for the Web. Prior to version 7.5, due to premature release of resource during expected lifetime...

RHEL 10 : squid (RHSA-2026:8119)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:8119 advisory. Squid is a high-performance proxy caching server for web clients, supporting FTP, and HTTP data objects. Security Fixes: squid: Squid: Deni...

Important: squid

Issue Overview: Squid is a caching proxy for the Web. Prior to version 7.5, due to premature release of resource during expected lifetime and heap Use-After-Free bugs, Squid is vulnerable to Denial of Service when handling ICP traffic. This problem allows a remote attacker to perform a reliable a...