CUPS releases - releaseport

v2.4.19 Bugfix 1mo

Fixed regression allowing shared printing from non‑local accounts.

Changelog

CUPS 2.4.19 fixes a regression in shared printing from non-local accounts (Issue #1557)

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v2.4.18 Bug fix 1mo

Security fixes

CVE-2026-27447 — addressed in previous release

Full changelog

The new release 2.4.18 contains a hotfix after the CVE-2026-27447 fix:

Fixed cupsd crash if user does not exist (Issue #1555)

I'm sorry for inconvenience and enjoy!

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v2.4.17 Security relevant 1mo

Security fixes

CVE-2026-27447 — scheduler treated local user and group names as case‑insensitive
CVE-2026-34978 — RSS notifier could write outside the scheduler's RSS directory
CVE-2026-34980 — scheduler did not filter control characters from option values

Full changelog

The new release 2.4.17 contains the following security fixes:

CVE-2026-27447: The scheduler treated local user and group names as case-
insensitive.
CVE-2026-34978: The RSS notifier could write outside the scheduler's RSS
directory.
CVE-2026-34980: The scheduler did not filter control characters from option
values.
CVE-2026-34979: The scheduler did not always allocate enough memory for a
job's options string.
CVE-2026-34990: The scheduler incorrectly allowed local certificates over the
loopback interface.
CVE-2026-39314: Fixed the range check for job password strings.
CVE-2026-39316: Fixed a printer subscription bug in the scheduler.
CVE-2026-NNNNN: Fixed a SNMP string conversion bug in the backends.

where the last CVE number is requested from Github for several days now, the number will be corrected once we have one, but we decided to make a release to share the other fixes.

The release includes other fixes as well, listed in CHANGES.md.

Enjoy!

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v2.4.16 Bugfix 6mo

Fixed infinite loop in GTK caused by internal libcups behavior change.

Full changelog

The hotfix release 2.4.16 includes fix for infinite loop in GTK, which was caused by change of internal behavior in libcups on which GTK depended on, and workaround for stopping the scheduler if configuration includes unknown directives.

The full list of changes is shown in CHANGES.md.

Enjoy!

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v2.4.15 Security relevant 6mo

Security fixes

CVE-2025-61915 — fixes various cupsd issues causing local DoS
CVE-2025-58436 — resolves unresponsive cupsd process caused by slow client

Full changelog

The release CUPS 2.4.15 brings two CVE fixes:

Fix various cupsd issues which cause local DoS (CVE-2025-61915)
Fix unresponsive cupsd process caused by slow client (CVE-2025-58436)

and several bug fixes described in CHANGES.md.

Enjoy!

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v2.4.14 Bugfix 8mo

Fixed installation issues with localized templates and the CUPS web UI home page.

Full changelog

The hotfix release brings fix for installation process of localized templates and CUPS web UI home pages.

Enjoy!

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v2.4.13 Security relevant 8mo

Security fixes

CVE-2025-58060 — important vulnerability fixed
CVE-2025-58364 — moderate vulnerability fixed

Notable features

`print-as-raster` attribute for printer and job objects to enforce rasterization

Full changelog

The release 2.4.13 brings two CVE fixes - fix for important CVE-2025-58060 and fix for moderate CVE-2025-58364, together with several bug fixes.

The release includes a new feature - new attribute for printer and job objects - print-as-raster - which allows enforce rasterization of the file for IPP Everywhere/AirPrint printers, which supports PDF and raster document formats. The feature is useful for working around internal PDF issues in the printer firmware, for example missing diacritic when printing a PDF.

The detailed list of changes is available in CHANGES.md.

Enjoy the release!

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