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...

Important: Red Hat Security Advisory: squid security update

An update for squid 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...

GHSA-84P4-HCX7-JJ7C

creationtimestamp| type| source ---|---|--- 2026-03-26 18:14:49+00:00| seen| https://cyber.gc.ca/en/alerts-advisories/squid-security-advisory-av26-284...

CVE-2026-33515

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. This problem allows a remote attacker to receive small amounts of memory potentially containing sensitive information when responding...

CVE-2026-33526

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 problem allows a remote attacker to perform a reliable and repeatable Denial of Service attack against the Squid service using ICP...

CVE-2026-32748

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 and repeatable...

UBUNTU-CVE-2026-33526

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 problem allows a remote attacker to perform a reliable and repeatable Denial of Service attack against the Squid service using ICP...

CVE-2026-33526

Summary (CVE-2026-33526): Squid before version 7.5 is vulnerable to a Denial of Service via a heap Use-After-Free in ICP traffic handling. The attack requires an ICP-enabled deployment (non-zero icp_port) and remote elicitation, and is described as reliable and repeatable for causing service disr...

EUVD-2026-16067

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. This problem allows a remote attacker to receive small amounts of memory potentially containing sensitive information when responding...

EUVD-2026-16056

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 and repeatable...

CVE-2026-32748

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 and repeatable...

SUSE CVE-2026-33515

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. This problem allows a remote attacker to receive small amounts of memory potentially containing sensitive information when responding...

Linux Distros Unpatched Vulnerability : CVE-2026-33515

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 version 7.5, due to improper input validation, Squid is vulnerable to out of bounds read when handling ICP traffi...

MiracleLinux 7 : squid-3.5.20-17.el7.6 (AXSA:2021-1650:01)

The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2021-1650:01 advisory. squid: improper input validation may allow a trusted client to perform HTTP request smuggling CVE-2020-25097 Tenable has extracted the preceding description...

MiracleLinux 8 : squid:4 (AXSA:2025-11003:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2025-11003:01 advisory. squid-cache: Squid vulnerable to information disclosure via authentication credential leakage in error handling CVE-2025-62168 Tenable has extracted the...

MiracleLinux 7 : squid-3.5.20-17.el7.10 (AXSA:2024-7673:03)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-7673:03 advisory. squid: denial of service in HTTP header parser CVE-2024-25617 squid: denial of service in HTTP request parsing CVE-2023-50269 squid: Buffer over-rea...

MiracleLinux 9 : squid-5.2-1.el9.1 (AXSA:2022-4015:03)

The remote MiracleLinux 9 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2022-4015:03 advisory. squid: DoS when processing gopher server responses CVE-2021-46784 Tenable has extracted the preceding description block directly from the MiracleLinux securi...

MiracleLinux 4 : squid-3.1.23-24.0.1.AXS4 (AXSA:2021-1658:02)

The remote MiracleLinux 4 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2021-1658:02 advisory. squid: improper input validation may allow a trusted client to perform HTTP request smuggling CVE-2020-25097 Tenable has extracted the preceding description...

MiracleLinux 7 : squid-3.5.20-17.el7.8 (AXSA:2022-3878:02)

The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2022-3878:02 advisory. squid: buffer-over-read in SSPI and SMB authentication CVE-2022-41318 Tenable has extracted the preceding description block directly from the MiracleLinux...

MiracleLinux 9 : squid-5.5-6.el9_3.2 (AXSA:2023-7053:06)

The remote MiracleLinux 9 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2023-7053:06 advisory. squid: DoS against HTTP and HTTPS CVE-2023-5824 Tenable has extracted the preceding description block directly from the MiracleLinux security advisory. Note...