CVE-2025-62168

CVE-2025-62168 Squid Proxy Information Disclosure in Error handling Scanner Detection & PoC "Due to a failure to redact HTTP Authentication credentials Squid is vulnerable to an Information Disclosure attack. Severity: This problem allows a script to bypass Browser security protections and learn...

squid

SQUID Web Proxy Cache http://www.squid-cache.org/ Copyright C 1996-2026 The Squid Software Foundation and contributors Squid software is distributed under GPLv2+ license and includes contributions from numerous individuals and organizations. Please see the COPYING and CONTRIBUTORS files for...

CVE-2025-62168

CVE-2025-62168 Squid Proxy Information Disclosure in Error handling Scanner Detection & PoC "Due to a failure to redact HTTP Authentication credentials Squid is vulnerable to an Information Disclosure attack. Severity: This problem allows a script to bypass Browser security protections and learn...

squidmagic

Squidmagic is a tool designed to analyze a web-based network traffic to detect central command and control C&C servers and Malicious site, using Squid proxy server and Spamhaus. Install dependencies pip install -r requirements.txt Usage python squidmagic.py /squid/access.log | | | | / |/ | | | | ...

CVE-2025-54574-Squid-Heap-Buffer-Overflow

CVE-2025-54574-Squid-Heap-Buffer-Overflow Vulnerability Found on Squid Proxy. CVE-2025-54574 — Critical Heap Buffer Overflow in Squid Proxy This repository documents the discovery, analysis, and responsible disclosure process of CVE-2025-54574, a critical heap-based buffer overflow in Squid 6.4...

CVE-2018-19131

CVE-2018-19131 Demo Author: Jonathan M. Wilbur Copyright Year: 2018 License: MIT License Do not do anything illegal with this. This is not malware. This is just a proof of concept. This is a demo of CVE-2018-19131, which runs in a Docker Compose app. This library builds Squid version 3.5.27, whic...

CVE-2016-2569

Hello there, Thank you for reading my first blog entry. Today we will go with exploit creation for one of the open-source tool Squid Caching proxy server. So What Is Squido? Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. It reduces bandwidth and improves response time...

CVE-2026-47729

🦑 CVE-2026-47729 - Squidbleed ⚠️ Heartbleed's ancient cousin, hiding in Squid since 1997. ✨ Features Single-file PoC — Zero dependencies Malicious FTP server mimicking NetWare banner + truncated LIST response Real-time detection and decoding of Basic Auth + Bearer tokens Multi-threaded heap...

Blackash-CVE-2025-54574

🛑 CVE-2025-54574 — Heap Buffer Overflow in Squid ≤ 6.3 🛑 Severity: Critical CVSS 9.3 Affected Software: Squid Proxy versions 6.3 and earlier Vulnerability Type: Heap-based buffer overflow Discovered in: URN Uniform Resource Name processing Impact: Possible remote code execution or denial-of-servi...

CVE-2025-62168

CVE-2025-62168 — Squid Proxy Token Leak PoC The author assumes no liability for misuse or damage caused by this tool. Research is provided strictly for educational and defensive purposes. Description This repository contains a Proof-of-Concept PoC for CVE-2025-62168 , an information-disclosure fl...

Squid Proxy - HTTP Authentication Credentials Disclosure

Squid versions prior to 7.2 fail to redact HTTP authentication credentials in error page responses. The Authorization header value is embedded in plain text inside the mailto: diagnostic block when Squid generates an error page e.g. ERRDNSFAIL. id: CVE-2025-62168 info: name: Squid Proxy - HTTP...

SUSE SLES15 Security Update : squid (SUSE-SU-2026:4909-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4909-1 advisory. - CVE-2023-5824: Multiple issues in HTTP response caching bsc1216496. - CVE-2023-49288: Use-After-Free in the HTTP Collapsed...

Security update for squid

This update for squid fixes the following issues: CVE-2023-5824: Multiple issues in HTTP response caching bsc1216496. CVE-2023-49288: Use-After-Free in the HTTP Collapsed Forwarding Feature bsc1217825. CVE-2025-62168: failure to redact HTTP authentication credentials in error handling leads to th...

SUSE-SU-2026:4909-1 Security update for squid

This update for squid fixes the following issues: - CVE-2023-5824: Multiple issues in HTTP response caching bsc1216496. - CVE-2023-49288: Use-After-Free in the HTTP Collapsed Forwarding Feature bsc1217825. - CVE-2025-62168: failure to redact HTTP authentication credentials in error handling leads...

Friday Squid Blogging: Increasing Squid Populations

This article in Nature argues that it's due to an overfishing of predators and warming sea temperatures. 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...

CLSA-2026-1784729238 squid: Fix of 3 CVEs

CVE-2026-47729: fix out-of-bounds read in the FTP directory listing parser ftpListParseParts by stopping the whitespace skip at the end of the input buffer - CVE-2026-50012: fix heap buffer overflow in peerDigestSwapInMask by rejecting cache digest replies whose mask data exceeds the declared...

CLSA-2026-1790852342 squid: Fix of 4 CVEs

Bump release to sort above Oracle Linux 7 squid-3.5.20-17.0.11.el79.13 - CVE-2025-62168: complete fix: also redact credentials in the %W mailto body, from Oracle 17.0.9 - Deny URN requests in the default squid.conf upstream workaround, from Oracle 17.0.7...

CLSA-2026-1790851347 squid: Fix of 5 CVEs

Bump release to sort above Oracle Linux 7 squid-3.5.20-17.0.11.el79.13 - CVE-2025-62168: complete fix: also redact credentials in the %W mailto body, from Oracle 17.0.9 - Deny URN requests in the default squid.conf upstream workaround, from Oracle 17.0.7...

CentOS Linux 7 [TuxCare] Security Update: squid / squid-migration-script / squid-sysvinit Multiple Vulnerabilities (CENTOS7:CLSA-2026:1790851347)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1790851347 advisory. - An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to incorrect parser validation, it allows a Denial of Service...

CLSA-2026-1776878817 squid: Fix of 13 CVEs

CVE-2018-1000027: fix NULL pointer dereference in clientFollowXForwardedForCheck for transactions without a client connection - CVE-2018-19131: fix XSS via X.509 certificate fields rendered unescaped in SSL error pages - CVE-2019-12520: prevent cache poisoning by suppressing URL userinfo from...