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CVE-2026-34980

Medium priority

Some fixes available 5 of 7

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...

1 affected package

cups

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cups Fixed Fixed Fixed Needs evaluation Needs evaluation
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CVE-2026-34979

Medium priority

Some fixes available 4 of 7

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, there is a heap-based buffer overflow in the CUPS scheduler when building filter option strings...

1 affected package

cups

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cups Fixed Fixed Fixed Needs evaluation Needs evaluation
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CVE-2026-34978

Medium priority

Some fixes available 4 of 7

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, the RSS notifier allows .. path traversal in notify-recipient-uri (e.g., rss:///../job.cache),...

1 affected package

cups

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cups Fixed Fixed Fixed Needs evaluation Needs evaluation
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CVE-2026-27447

Medium priority

Some fixes available 4 of 7

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon (cupsd) contains an authorization bypass vulnerability due to case-insensitive username...

1 affected package

cups

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cups Fixed Fixed Fixed Needs evaluation Needs evaluation
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CVE-2025-61915

Medium priority
Fixed

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to version 2.4.15, a user in the lpadmin group can use the cups web ui to change the config and insert a malicious line....

1 affected package

cups

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cups — Fixed Fixed Fixed Fixed
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CVE-2025-58436

Medium priority
Fixed

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to version 2.4.15, a client that connects to cupsd but sends slow messages, e.g. only one byte per second, delays cupsd as...

1 affected package

cups

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cups — Fixed Fixed Fixed Fixed
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CVE-2025-64524

Medium priority
Fixed

cups-filters contains backends, filters, and other software required to get the cups printing service working on operating systems other than macos. In versions 2.0.1 and prior, a heap-buffer-overflow vulnerability in...

2 affected packages

cups-filters, libcupsfilters

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cups-filters — Fixed Fixed Fixed Fixed
libcupsfilters — Not affected Not in release — —
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CVE-2025-64503

Medium priority
Fixed

cups-filters contains backends, filters, and other software required to get the cups printing service working on operating systems other than macos. In cups-filters prior to 1.28.18, by crafting a PDF file with a large `MediaBox`...

2 affected packages

cups-filters, libcupsfilters

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cups-filters — Not affected Fixed Fixed Fixed
libcupsfilters — Fixed Not in release — —
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CVE-2025-57812

Medium priority
Fixed

CUPS is a standards-based, open-source printing system, and `libcupsfilters` contains the code of the filters of the former `cups-filters` package as library functions to be used for the data format conversion tasks needed in...

2 affected packages

cups-filters, libcupsfilters

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cups-filters — Not affected Fixed Fixed Fixed
libcupsfilters — Fixed Not in release — —
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CVE-2025-58364

Medium priority
Fixed

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.12 and earlier, an unsafe deserialization and validation of printer attributes causes null dereference in the...

1 affected package

cups

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
cups — Fixed Fixed Fixed Fixed
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