Описание
Security update for cups
This update for cups fixes the following issue:
- CVE-2026-34990: Local print admin token disclosure using temporary printers (bsc#1261568).
Список пакетов
Container suse/kiosk/firefox-esr:latest
Container suse/samba-server:latest
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SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS
SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS
SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS
SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS
SUSE Linux Enterprise Micro 5.2
SUSE Linux Enterprise Micro 5.3
SUSE Linux Enterprise Micro 5.4
SUSE Linux Enterprise Micro 5.5
SUSE Linux Enterprise Module for Basesystem 15 SP7
SUSE Linux Enterprise Module for Desktop Applications 15 SP7
SUSE Linux Enterprise Module for Development Tools 15 SP7
SUSE Linux Enterprise Server 15 SP4-LTSS
SUSE Linux Enterprise Server 15 SP5-LTSS
SUSE Linux Enterprise Server 15 SP6-LTSS
SUSE Linux Enterprise Server for SAP Applications 15 SP4
SUSE Linux Enterprise Server for SAP Applications 15 SP5
SUSE Linux Enterprise Server for SAP Applications 15 SP6
Ссылки
- Link for SUSE-SU-2026:1399-1
- E-Mail link for SUSE-SU-2026:1399-1
- SUSE Security Ratings
- SUSE Bug 1261568
- SUSE CVE CVE-2026-34990 page
Описание
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In 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 localhost, and the attacker can combine CUPS-Create-Local-Printer with printer-is-shared=true to persist a file:///... queue even though the normal FileDevice policy rejects such URIs. Printing to that queue gives an arbitrary root file overwrite; the PoC below uses that primitive to drop a sudoers fragment and demonstrate root command execution. At time of publication, there are no publicly available patches.
Затронутые продукты
Ссылки
- CVE-2026-34990
- SUSE Bug 1261568