p PatchFirst

CVE-2026-34980

CVE-2026-34980 · OpenPrinting CUPS: Shared PostScript queue lets anonymous Print-Job requests reach `lp` code execution over the network

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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 accepts a page-border value supplied as textWithoutLanguage, preserves an embedded newline through option escaping and reparse, and then reparses the resulting second-line PPD: text as a trusted scheduler control record. A follow-up raw print job can therefore make the server execute an attacker-chosen existing binary such as /usr/bin/vim as lp. At time of publication, there are no publicly available patches.

CVSS 6.1 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • cups

    Versions
    • <= 2.4.16: Affected

    No fix published

  • cups Debian:12

    Versions
    • 2.4.10-1
    • 2.4.10-2
    • 2.4.10-3
    • 2.4.10-4
    • 2.4.14-1
    • 2.4.15-1
    • 2.4.16-1
    • 2.4.17-1
    • 2.4.18-1
    • 2.4.2-3
    • 2.4.2-3+deb12u1
    • 2.4.2-3+deb12u2
    • 2.4.2-3+deb12u3
    • 2.4.2-3+deb12u4
    • 2.4.2-3+deb12u5
    • 2.4.2-3+deb12u6
    • 2.4.2-3+deb12u7
    • 2.4.2-3+deb12u8
    • 2.4.2-3+deb12u9
    • 2.4.2-4
    • 2.4.2-5
    • 2.4.2-6
    • 2.4.7-1
    • 2.4.7-1.1
    • 2.4.7-1.2
    • 2.4.7-2
    • 2.4.7-3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • cups Debian:13

    Versions
    • 2.4.10-3
    • 2.4.10-3+deb13u1
    • 2.4.10-3+deb13u2
    • 2.4.10-4
    • 2.4.14-1
    • 2.4.15-1
    • 2.4.16-1
    • 2.4.17-1
    • 2.4.18-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • cups Debian:14

    Versions
    • 2.4.10-3
    • 2.4.10-4
    • 2.4.14-1
    • 2.4.15-1
    • 2.4.16-1
    Affected ranges
    • ECOSYSTEM: < 2.4.17-1

    Update to 2.4.17-1

  • cups Ubuntu:Pro:16.04:LTS

    Versions
    • 2.1.0-4ubuntu3
    • 2.1.0-5
    • 2.1.0-6
    • 2.1.0-6ubuntu1
    • 2.1.0-7
    • 2.1.2-1
    • 2.1.2-2
    • 2.1.3-1
    • 2.1.3-1build1
    • 2.1.3-3
    • 2.1.3-4
    • 2.1.3-4ubuntu0.2
    • 2.1.3-4ubuntu0.3
    • 2.1.3-4ubuntu0.4
    • 2.1.3-4ubuntu0.5
    • 2.1.3-4ubuntu0.6
    • 2.1.3-4ubuntu0.7
    • 2.1.3-4ubuntu0.8
    • 2.1.3-4ubuntu0.9
    • 2.1.3-4ubuntu0.10
    • 2.1.3-4ubuntu0.11
    • 2.1.3-4ubuntu0.11+esm1
    • 2.1.3-4ubuntu0.11+esm2
    • 2.1.3-4ubuntu0.11+esm3
    • 2.1.3-4ubuntu0.11+esm4
    • 2.1.3-4ubuntu0.11+esm5
    • 2.1.3-4ubuntu0.11+esm6
    • 2.1.3-4ubuntu0.11+esm7
    • 2.1.3-4ubuntu0.11+esm8
    • 2.1.3-4ubuntu0.11+esm9
    • 2.1.3-4ubuntu0.11+esm11
    • 2.1.3-4ubuntu0.11+esm12
    Affected ranges
    • ECOSYSTEM: < 2.1.3-4ubuntu0.11+esm13

    Update to 2.1.3-4ubuntu0.11+esm13

  • cups Ubuntu:Pro:18.04:LTS

    Versions
    • 2.2.4-7ubuntu2
    • 2.2.5-2
    • 2.2.6-2
    • 2.2.6-3
    • 2.2.6-4
    • 2.2.6-5
    • 2.2.7-1ubuntu1
    • 2.2.7-1ubuntu2
    • 2.2.7-1ubuntu2.1
    • 2.2.7-1ubuntu2.2
    • 2.2.7-1ubuntu2.3
    • 2.2.7-1ubuntu2.4
    • 2.2.7-1ubuntu2.5
    • 2.2.7-1ubuntu2.6
    • 2.2.7-1ubuntu2.7
    • 2.2.7-1ubuntu2.8
    • 2.2.7-1ubuntu2.9
    • 2.2.7-1ubuntu2.10
    • 2.2.7-1ubuntu2.10+esm1
    • 2.2.7-1ubuntu2.10+esm2
    • 2.2.7-1ubuntu2.10+esm3
    • 2.2.7-1ubuntu2.10+esm4
    • 2.2.7-1ubuntu2.10+esm5
    • 2.2.7-1ubuntu2.10+esm6
    • 2.2.7-1ubuntu2.10+esm7
    • 2.2.7-1ubuntu2.10+esm9
    • 2.2.7-1ubuntu2.10+esm10
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • cups Ubuntu:Pro:20.04:LTS

    Versions
    • 2.2.12-2ubuntu1
    • 2.3.0-6
    • 2.3.0-7
    • 2.3.0-7ubuntu1
    • 2.3.1-1ubuntu1
    • 2.3.1-2
    • 2.3.1-4
    • 2.3.1-7
    • 2.3.1-9ubuntu1
    • 2.3.1-9ubuntu1.1
    • 2.3.1-9ubuntu1.2
    • 2.3.1-9ubuntu1.3
    • 2.3.1-9ubuntu1.4
    • 2.3.1-9ubuntu1.5
    • 2.3.1-9ubuntu1.6
    • 2.3.1-9ubuntu1.7
    • 2.3.1-9ubuntu1.8
    • 2.3.1-9ubuntu1.9
    • 2.3.1-9ubuntu1.9+esm1
    • 2.3.1-9ubuntu1.9+esm3
    • 2.3.1-9ubuntu1.9+esm4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • cups Ubuntu:22.04:LTS

    Versions
    • 2.3.3op2-7ubuntu2
    • 2.4.1op1-1ubuntu1
    • 2.4.1op1-1ubuntu2
    • 2.4.1op1-1ubuntu3
    • 2.4.1op1-1ubuntu4
    • 2.4.1op1-1ubuntu4.1
    • 2.4.1op1-1ubuntu4.2
    • 2.4.1op1-1ubuntu4.4
    • 2.4.1op1-1ubuntu4.6
    • 2.4.1op1-1ubuntu4.7
    • 2.4.1op1-1ubuntu4.8
    • 2.4.1op1-1ubuntu4.9
    • 2.4.1op1-1ubuntu4.10
    • 2.4.1op1-1ubuntu4.11
    • 2.4.1op1-1ubuntu4.12
    • 2.4.1op1-1ubuntu4.15
    • 2.4.1op1-1ubuntu4.16
    Affected ranges
    • ECOSYSTEM: < 2.4.1op1-1ubuntu4.20

    Update to 2.4.1op1-1ubuntu4.20

  • cups Ubuntu:24.04:LTS

    Versions
    • 2.4.6-0ubuntu3
    • 2.4.7-1.2ubuntu2
    • 2.4.7-1.2ubuntu3
    • 2.4.7-1.2ubuntu7
    • 2.4.7-1.2ubuntu7.1
    • 2.4.7-1.2ubuntu7.2
    • 2.4.7-1.2ubuntu7.3
    • 2.4.7-1.2ubuntu7.4
    • 2.4.7-1.2ubuntu7.7
    • 2.4.7-1.2ubuntu7.9
    Affected ranges
    • ECOSYSTEM: < 2.4.7-1.2ubuntu7.13

    Update to 2.4.7-1.2ubuntu7.13

  • cups Ubuntu:25.10

    Versions
    • 2.4.12-0ubuntu1
    • 2.4.12-0ubuntu2
    • 2.4.12-0ubuntu3
    • 2.4.12-0ubuntu3.3
    • 2.4.12-0ubuntu3.5
    Affected ranges
    • ECOSYSTEM: < 2.4.12-0ubuntu3.9

    Update to 2.4.12-0ubuntu3.9

  • cups Ubuntu:26.04:LTS

    Versions
    • 2.4.12-0ubuntu3
    • 2.4.12-0ubuntu5
    • 2.4.16-1ubuntu1
    Affected ranges
    • ECOSYSTEM: < 2.4.16-1ubuntu1.2

    Update to 2.4.16-1ubuntu1.2

Original sources

Check your server →