CentOS Linux 8.5 [TuxCare] Security Update: cups / cups-client / cups-devel / cups-filesystem / cups-ipptool / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2025:1759332650)

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2025:1759332650 advisory. - Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible t...

AlmaLinux 9.6 [TuxCare] Security Update: cups-filters / cups-filters-devel / cups-filters-libs (ALMALINUX9.6:CLSA-2026:1768556132)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1768556132 advisory. - cups-filters contains backends, filters, and other software required to get the cups printing service working on operating systems other th...

CentOS Linux 7.9 [CIQ] Security Update: ghostscript / ghostscript-cups / ghostscript-debuginfo / etc Multiple Vulnerabilities (ciqsa-2026_0665)

The CentOS Linux 7.9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20260665 advisory. This advisory aggregates security fixes for the ghostscript SRPM in CIQ CentOS Bridge 7.9. It addresses 2 CVEs: CVE-2024-46953, CVE-2024-46951. Tenable...

Rocky Linux 8.6 [CIQ] Security Update: cups-filters / cups-filters-debuginfo / cups-filters-debugsource / etc Multiple Vulnerabilities (ciqsa-2026_0029)

The Rocky Linux 8.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20260029 advisory. This advisory aggregates security fixes for the cups-filters SRPM in CIQ LTS 8.6. It addresses 4 CVEs: CVE-2024-47176, CVE-2024-47076, CVE-2024-47175,...

Rocky Linux 10.1 [CIQ] Security Update: cups / cups-client / cups-client-debuginfo / cups-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_0464)

The Rocky Linux 10.1 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20260464 advisory. CUPS: Local denial-of-service via cupsd.conf update and related issues CVE-2025-61915 cups: Slow client communication leads to a possible DoS attack...

AlmaLinux 9.2 [TuxCare] Security Update: cups-filters / cups-filters-devel / cups-filters-libs Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1747430870)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1747430870 advisory. - CUPS is a standards-based, open-source printing system, and libppd can be used for legacy PPD file support. The libppd function...

CVE-2026-34990-poc

CVE-2026-34990 — CUPS Local-Printer PoC Authorized testing / research use only. Run this PoC only against systems you own or are explicitly authorized to test. This repository contains a system-CUPS-oriented reproduction of the local-printer vulnerability in CUPS 2.4.16. The implementation was...

CVE-2026-34990

CVE-2026-34990 — CUPS local privilege escalation cups2root, de-harnessed CVSS 3.x : 8.4 HIGH approx — verify CWE : CWE-287 Improper Authentication + CWE-269 Improper Privilege Mgmt Fix : CUPS 2.4.17+ Affects : CUPS ≤ 2.4.16 with cupsd running as root and 631 reachable locally Local privilege...

CVE-2026-34990-poc

CVE-2026-34990: CUPS 2.4.16 local privilege escalation PoC A Python3 adaptation of the original CUPS disclosure and PoC that runs as an ordinary local user against an existing CUPS service. It demonstrates a leaked Authorization: Local token and a race that lets CUPS write a file as root. Usage...

CVE-2026-34990-poc

CVE-2026-34990 CUPS 2.4.16 local privilege escalation via arbitrary file write through CUPSCREATELOCALPRINTER. Vulnerability CUPS allows creating local printers with a device-uri set to a file:// path. Submitting a print job with document-format: application/vnd.cups-raw and compression: gzip...

CVE-2026-34990

CVE-2026-34990 - CUPS Local Privesc Local privilege escalation against CUPS = 2.4.16 running as root. Leaks cupsd's Local auth token, then writes a NOPASSWD sudoers fragment as root via a file:// print queue. Usage python3 poc.py On success: CVE-2026-34990 | user=ctfplayer | cupsd=127.0.0.1:631...

CVE-2026-34990-poc

CVE-2026-34990 — CUPS Local unprivileged user → root , via a leaked CUPS Local authorization token and a policy-bypassing file:/// print queue. PoC by 0xcybersoldier Table of Contents Overview Vulnerability Details Affected Versions Attack Chain Requirements Installation Usage Example Run How It...

CVE-2026-34990-CUPS-LPE-PoC

CVE-2026-34990 | CUPS Local Privilege Escalation PoC A generic proof-of-concept for CVE-2026-34990 , a local privilege escalation vulnerability affecting CUPS 2.4.16. The exploit demonstrates how a local unprivileged user can abuse CUPS local authentication and printer configuration behavior to...

CVE-2026-34990

CVE-2026-34990 Description CVE-2026-34990 - OpenPrinting CUPS versions 2.4.16 and prior, a local unprivileged user can coerce cupsd into authenticating to an attacker-controlled localhost IPP service with a reusable Authorization: Local ... token. That token is enough to drive /admin/ requests on...

cups-2.4.16-lpe

CUPS 2.4.16 — Local Privilege Escalation CVE-2026-34990 📋 Summary CUPS 2.4.16 contains a local privilege escalation vulnerability also tracked as GHSA-c54j-2vqw-wpwp. The Vulnerability 1. World-writable socket — /run/cups/cups.sock is world-writable, allowing any local user to send IPP requests t...

CLEANSTART-2024-CB04039 cups-filters contains backends, filters, and other software required to get the cups printing service working on operating systems other than macos

Security vulnerability affects the cups-filters package. cups-filters contains backends, filters, and other software required to get the cups printing service working on operating systems other than macos...

CVE-2024-47176

CVE-2024-47176 — CUPS RCE Exploit Lab CyberSecurity & Virtualisation 2025-2026 Isolated lab environment to demonstrate CVE-2024-47176 CUPS Remote Code Execution via cups-browsed. Setup Required VDIs Ubuntu 22.04 NOT 24.04! — https://www.osboxes.org/ubuntu/ → VirtualBox VDI Kali Linux 2026.1 —...

OESA-2026-4140 cups security update

CUPS is the standards-based, open source printing system developed by Apple Inc. for UNIX®-like operating systems. CUPS uses the Internet Printing Protocol IPP to support printing to local and network printers.. Security Fixes: The cupsUTF32ToUTF8 function in CUPS's cups/transcode.c lacks a...

OESA-2026-4139 cups security update

CUPS is the standards-based, open source printing system developed by Apple Inc. for UNIX®-like operating systems. CUPS uses the Internet Printing Protocol IPP to support printing to local and network printers.. Security Fixes: The cupsUTF32ToUTF8 function in CUPS's cups/transcode.c lacks a...

OESA-2026-4138 cups security update

CUPS is the standards-based, open source printing system developed by Apple Inc. for UNIX®-like operating systems. CUPS uses the Internet Printing Protocol IPP to support printing to local and network printers.. Security Fixes: The cupsUTF32ToUTF8 function in CUPS's cups/transcode.c lacks a...