CLSA-2026-1777393200 cups: Fix of CVE-2026-34980

CVE-2026-34980: filter control characters from IPP option values and allowlist PPD keywords returned by filters so a remote attacker cannot inject cupsFilter/cupsFilter2 entries on a shared PostScript queue and gain code execution as the cupsd user...

CLSA-2026-1777392877 cups: Fix of CVE-2026-34980

CVE-2026-34980: filter control characters from IPP option values and allowlist PPD keywords returned by filters so a remote attacker cannot inject cupsFilter/cupsFilter2 entries on a shared PostScript queue and gain code execution as the cupsd user...

CVE-2026-34980

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, in a network-exposed cupsd with a shared target queue, an unauthorized client can send a Print-Job to that shared PostScript queue without authentication. The server...

CVE-2026-34980

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, in a network-exposed cupsd with a shared target queue, an unauthorized client can send a Print-Job to that shared PostScript queue without authentication. The server...

CVE-2026-34980

OpenPrinting CUPS (versions 2.4.16 and earlier) is impacted by CVE-2026-34980. In a network-exposed cupsd with a shared target queue, an unauthenticated client can submit a Print-Job, causing the server to process a text-within-PPD that leads to executing an attacker-chosen binary (e.g., /usr/bin...