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...

CVE-2026-33526 Squid vulnerable to Denial of Service in ICP Request handling

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-2026-33515 Squid has issues in ICP message handling

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-2026-33515

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-2026-33515

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-2026-33515

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-2026-33515 Squid has issues in ICP message handling

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-2026-32748

CVE-2026-32748 affects Squid, a web caching proxy. The issue is a heap Use-After-Free in ICP handling, allowing a remote attacker to cause Denial of Service when ICP is enabled (icp_port configured). The attack is remote, requires ICP support, and cannot be mitigated by icp_access rules. A fix is...

Squid 安全漏洞

Squid is a set of open-source proxy servers and web caching servers developed by Squid. This software provides features such as caching the World Wide Web, filtering traffic, and proxy access. Versions of Squid prior to 7.5 contained security vulnerabilities, which were caused by improper input...

SUSE-SU-2026:0630-1 Security update 5.1.2 for Multi-Linux Manager Client Tools

This update fixes the following issues: dracut-saltboot: - Update to version 1.1.0 Retry DHCP requests up to 3 times bsc1253004 golang-github-QubitProducts-exporterexporter: - Non-customer-facing optimization around source building golang-github-boynux-squidexporter: - Update to version 1.13.0...

MiracleLinux 4 : squid-3.1.10-20.AXS4.3 (AXSA:2014-373:02)

The remote MiracleLinux 4 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2014-373:02 advisory. Squid is a high-performance proxy caching server for Web clients, supporting FTP, gopher, and HTTP data objects. Unlike traditional caching software, Squid...

OESA-2026-1050 squid security update

Squid is a high-performance proxy caching server. It handles all requests in a single, non-blocking, I/O-driven process and keeps meta data and implements negative caching of failed requests. Security Fixes: A flaw was found in Squid. The limits applied for validation of HTTP response headers are...

OESA-2026-1049 squid security update

Squid is a high-performance proxy caching server. It handles all requests in a single, non-blocking, I/O-driven process and keeps meta data and implements negative caching of failed requests. Security Fixes: A flaw was found in Squid. The limits applied for validation of HTTP response headers are...

Advisory ROSA-SA-2025-3092

Software: squid 3.5.20 OS: rosa-server79 unaffected versions = squid-3.5.20-17.0.9.res7.13 affected versions squid-3.5.20-17.0.9.res7.13 CVE-ID: CVE-2025-54574 BDU-ID: 2025-09345 CVE-Crit: CRITICAL. CVE-DESC.: A vulnerability in the Squid proxy server is related to a buffer overflow in dynamic...

RLSA-2025:21002 Important: squid security update

Squid is a high-performance proxy caching server for web clients, supporting FTP, and HTTP data objects. Security Fixes: squid-cache: Squid vulnerable to information disclosure via authentication credential leakage in error handling CVE-2025-62168 For more details about the security issues,...

Squid Heap Buffer Overflow

Squid versions prior to 6.4 suffer from a heap-based buffer overflow that is triggered during URN Trivial-HTTP response handling...

The vulnerability of the asn_build_objid() function in the Squid proxy server allows a hacker to induce a service failure.

The vulnerability of the asnbuildobjid function in the Squid proxy server is related to errors in data boundary checking during the processing of ASN.1-encoded long OID identifiers for SNMP. Exploiting this vulnerability can allow an attacker to cause service failures...

squid-cache: Squid vulnerable to information disclosure via authentication credential leakage in error handling

A Information Disclosure vulnerability has been identified in the Squid web caching proxy. This flaw occurs when the application fails to properly redact sensitive Hypertext Transfer Protocol HTTP authentication credentials from an error response. A remote client can exploit this by triggering an...

ROS-20251112-01

Squid proxy server vulnerability related to data boundary checking errors during encoding processing ASN.1 long SNMP OIDs in asnbuildobjid function in lib/snmplib/asn1.c. Exploitation of the of the vulnerability could allow an attacker to cause a denial of service Vulnerability of emailerrdata...

Important: Red Hat Security Advisory: squid security update

An update for squid is now available for Red Hat Enterprise Linux 10. 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 th...