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Published
Permalink CVE-2026-87876
3.0 LOW
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Adjacent (A)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): Low (L)
  • User Interaction (UI): Required (R)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): Low (L)
  • Integrity (I): None (N)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Adjacent (A)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): Low (L)
  • Modified User Interaction (MUI): Required (R)
  • Modified Confidentiality (MC): Low (L)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): None (N)
updated 9 hours ago by @LeSuisse Activity log
  • Created suggestion 20 hours ago
  • @LeSuisse ignored
    66 packages
    • apcupsd
    • cups-bjnp
    • cups-dymo
    • carps-cups
    • cups-zj-58
    • cups-browsed
    • cups-filters
    • cups-kyocera
    • cups-printers
    • gutenprintBin
    • cups-kyodialog
    • cups-pk-helper
    • gutenprint-bin
    • libcupsfilters
    • canon-cups-ufr2
    • cups-idprt-tspl
    • cups-pdf-to-pdf
    • cups-idprt-mt888
    • cups-idprt-mt890
    • cups-idprt-sp900
    • cups-idprt-barcode
    • brgenml1cupswrapper
    • mfc465cncupswrapper
    • cups-brother-dcpt310
    • cups-toshiba-estudio
    • dcp375cw-cupswrapper
    • magicard-cups-driver
    • mfc5890cncupswrapper
    • mfcj880dwcupswrapper
    • perlPackages.NetCUPS
    • dcpj785dw-cupswrapper
    • mfc9140cdncupswrapper
    • mfcj470dw-cupswrapper
    • mfcl2700dncupswrapper
    • mfcl2720dwcupswrapper
    • mfcl2740dwcupswrapper
    • perl5Packages.NetCUPS
    • cups-brother-dcpt720dw
    • cups-brother-dcpt725dw
    • cups-brother-hl3150cdn
    • cups-brother-hl3170cdw
    • cups-brother-mfcl2710dw
    • cups-brother-mfcl2800dw
    • cups-brother-dcp1610wlpr
    • python313Packages.pycups
    • mfcl8690cdwcupswrapper
    • mfcl3770cdwcupswrapper
    • mfcj6510dw-cupswrapper
    • dcp9020cdw-cupswrapper
    • cups-kyocera-3500-4500
    • cups-brother-hll2375dw
    • cups-brother-hll2350dw
    • cups-brother-hl3140cw.x86_64-linux
    • cups-brother-hl1110.x86_64-linux
    • cups-kyocera-ecosys-m552x-p502x
    • gnomeExtensions.apcups-monitor
    • prometheus-apcupsd-exporter
    • mfcj470dwlpr.x86_64-linux
    • python314Packages.pycups
    • cups-brother-dcpl3550cdw
    • cups-brother-dcpl2550dw
    • cups-brother-hll3230cdw.x86_64-linux
    • cups-brother-hl1210w.x86_64-linux
    • cups-brother-hl2260d.x86_64-linux
    • cups-brother-hll2340dw.x86_64-linux
    • cups-brother-mfcl2750dw
    9 hours ago
  • @LeSuisse accepted 9 hours ago
  • @LeSuisse published on GitHub 9 hours ago
Cups: openprinting cups: remaining case-insensitive username matching in scheduler side paths (cve-2026-27447 follow-up)

Two case-insensitive comparisons on request-derived usernames outside the main authorization path in CUPS's scheduler (printer ACL validation and private-attribute filtering) could allow bypass of username-based access controls in certain configurations.

Affected products

cups
rhel9/cups
rhcos/rhcos

Matching in nixpkgs

Ignored packages (66)

pkgs.cups-browsed

Daemon for browsing the Bonjour broadcasts of shared, remote CUPS printers

pkgs.cups-filters

Backends, filters, and other software that was once part of the core CUPS distribution but is no longer maintained by Apple Inc

pkgs.cups-kyocera

CUPS drivers for several Kyocera FS-{1020,1025,1040,1060,1120,1125} printers

pkgs.cups-pk-helper

PolicyKit helper to configure cups with fine-grained privileges

pkgs.libcupsfilters

Backends, filters, and other software that was once part of the core CUPS distribution but is no longer maintained by Apple Inc

pkgs.cups-idprt-tspl

CUPS drivers for TSPL-based iDPRT thermal label printers (SP210, SP310, SP320, SP320E, SP410, SP410BT, SP420, SP450, SP460BT)

pkgs.cups-idprt-barcode

CUPS drivers for iDPRT barcode printers (iD2P, iD2X, iD4P, iD4S, iE2P, iE2X, iE4P, iE4S, iT4B, iT4E, iT4P, iT4S, iT4X, iX4E, iX4L, iX4P, iX4E, iX6P)

pkgs.cups-toshiba-estudio

Printer only driver for the Toshiba e-STUDIO class of printers

  • nixos-unstable 7.89
    • nixpkgs-unstable 7.89
    • nixos-unstable-small 7.89
  • nixos-26.05 7.89
    • nixos-26.05-small 7.89
    • nixpkgs-26.05-darwin 7.89

pkgs.gnomeExtensions.apcups-monitor

A subtle UPS load monitor for the panel. If you have an APC UPS.

  • nixos-unstable 4
    • nixpkgs-unstable 4
    • nixos-unstable-small 4
  • nixos-26.05 4
    • nixos-26.05-small 4
    • nixpkgs-26.05-darwin 4
Published
Permalink CVE-2026-87875
4.3 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Adjacent (A)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): Low (L)
  • Integrity (I): None (N)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Adjacent (A)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): Low (L)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): None (N)
updated 9 hours ago by @LeSuisse Activity log
  • Created suggestion 20 hours ago
  • @LeSuisse ignored
    66 packages
    • apcupsd
    • cups-bjnp
    • cups-dymo
    • carps-cups
    • cups-zj-58
    • cups-browsed
    • cups-filters
    • cups-kyocera
    • cups-printers
    • gutenprintBin
    • cups-kyodialog
    • cups-pk-helper
    • gutenprint-bin
    • libcupsfilters
    • canon-cups-ufr2
    • cups-idprt-tspl
    • cups-pdf-to-pdf
    • cups-idprt-mt888
    • cups-idprt-mt890
    • cups-idprt-sp900
    • cups-idprt-barcode
    • brgenml1cupswrapper
    • mfc465cncupswrapper
    • cups-brother-dcpt310
    • cups-toshiba-estudio
    • dcp375cw-cupswrapper
    • magicard-cups-driver
    • mfc5890cncupswrapper
    • mfcj880dwcupswrapper
    • perlPackages.NetCUPS
    • dcpj785dw-cupswrapper
    • mfc9140cdncupswrapper
    • mfcj470dw-cupswrapper
    • mfcl2700dncupswrapper
    • mfcl2720dwcupswrapper
    • mfcl2740dwcupswrapper
    • perl5Packages.NetCUPS
    • cups-brother-dcpt720dw
    • cups-brother-dcpt725dw
    • cups-brother-hl3150cdn
    • cups-brother-hl3170cdw
    • cups-brother-hll2350dw
    • cups-brother-hll2375dw
    • cups-kyocera-3500-4500
    • dcp9020cdw-cupswrapper
    • mfcj6510dw-cupswrapper
    • mfcl3770cdwcupswrapper
    • mfcl8690cdwcupswrapper
    • cups-brother-dcpl2550dw
    • cups-brother-mfcl2710dw
    • cups-brother-mfcl2750dw
    • cups-brother-mfcl2800dw
    • cups-brother-dcp1610wlpr
    • cups-brother-dcpl3550cdw
    • python313Packages.pycups
    • python314Packages.pycups
    • mfcj470dwlpr.x86_64-linux
    • prometheus-apcupsd-exporter
    • gnomeExtensions.apcups-monitor
    • cups-kyocera-ecosys-m552x-p502x
    • cups-brother-hl1110.x86_64-linux
    • cups-brother-hl1210w.x86_64-linux
    • cups-brother-hl2260d.x86_64-linux
    • cups-brother-hl3140cw.x86_64-linux
    • cups-brother-hll2340dw.x86_64-linux
    • cups-brother-hll3230cdw.x86_64-linux
    9 hours ago
  • @LeSuisse accepted 9 hours ago
  • @LeSuisse published on GitHub 9 hours ago
Cups: openprinting cups: heap out-of-bounds read in cupsutf32toutf8() via missing source-length bound

The cupsUTF32ToUTF8() function in CUPS's cups/transcode.c lacks a source-length bound and can read past the end of the source buffer, resulting in a heap out-of-bounds read. This is reachable via SNMP supply-description parsing in backend/snmp-supplies.c with attacker-controlled content.

Affected products

cups
rhel9/cups
rhcos/rhcos

Matching in nixpkgs

Ignored packages (66)

pkgs.cups-browsed

Daemon for browsing the Bonjour broadcasts of shared, remote CUPS printers

pkgs.cups-filters

Backends, filters, and other software that was once part of the core CUPS distribution but is no longer maintained by Apple Inc

pkgs.cups-kyocera

CUPS drivers for several Kyocera FS-{1020,1025,1040,1060,1120,1125} printers

pkgs.cups-pk-helper

PolicyKit helper to configure cups with fine-grained privileges

pkgs.libcupsfilters

Backends, filters, and other software that was once part of the core CUPS distribution but is no longer maintained by Apple Inc

pkgs.cups-idprt-tspl

CUPS drivers for TSPL-based iDPRT thermal label printers (SP210, SP310, SP320, SP320E, SP410, SP410BT, SP420, SP450, SP460BT)

pkgs.cups-idprt-barcode

CUPS drivers for iDPRT barcode printers (iD2P, iD2X, iD4P, iD4S, iE2P, iE2X, iE4P, iE4S, iT4B, iT4E, iT4P, iT4S, iT4X, iX4E, iX4L, iX4P, iX4E, iX6P)

pkgs.cups-toshiba-estudio

Printer only driver for the Toshiba e-STUDIO class of printers

  • nixos-unstable 7.89
    • nixpkgs-unstable 7.89
    • nixos-unstable-small 7.89
  • nixos-26.05 7.89
    • nixos-26.05-small 7.89
    • nixpkgs-26.05-darwin 7.89

pkgs.gnomeExtensions.apcups-monitor

A subtle UPS load monitor for the panel. If you have an APC UPS.

  • nixos-unstable 4
    • nixpkgs-unstable 4
    • nixos-unstable-small 4
  • nixos-26.05 4
    • nixos-26.05-small 4
    • nixpkgs-26.05-darwin 4
Published
Permalink CVE-2026-41079
4.3 MEDIUM
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Adjacent (A)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): Low (L)
  • Integrity (I): None (N)
  • Availability (A): None (N)
  • Modified Attack Vector (MAV): Adjacent (A)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): Low (L)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): None (N)
  • Modified Availability (MA): None (N)
updated 4 months, 2 weeks ago by @LeSuisse Activity log
  • Created suggestion 4 months, 2 weeks ago
  • @LeSuisse ignored
    72 packages
    • apcupsd
    • cups-bjnp
    • cups-dymo
    • carps-cups
    • cups-zj-58
    • cups-browsed
    • cups-filters
    • cups-kyocera
    • cups-printers
    • gutenprintBin
    • cups-kyodialog
    • cups-pk-helper
    • gutenprint-bin
    • libcupsfilters
    • canon-cups-ufr2
    • cups-idprt-tspl
    • cups-pdf-to-pdf
    • cups-idprt-mt888
    • cups-idprt-mt890
    • cups-idprt-sp900
    • cups-idprt-barcode
    • brgenml1cupswrapper
    • mfc465cncupswrapper
    • cups-brother-dcpt310
    • cups-toshiba-estudio
    • dcp375cw-cupswrapper
    • magicard-cups-driver
    • cups-kyocera-ecosys-m2x35-40-p2x35-40dnw
    • tests.home-assistant-components.apcupsd
    • home-assistant-component-tests.apcupsd
    • cups-brother-hll3230cdw.x86_64-linux
    • home-assistant-component-tests.cups
    • cups-brother-hll2340dw.x86_64-linux
    • cups-brother-hl3140cw.x86_64-linux
    • cups-brother-hl2260d.x86_64-linux
    • cups-brother-hl1210w.x86_64-linux
    • cups-brother-hl1110.x86_64-linux
    • cups-kyocera-ecosys-m552x-p502x
    • mfcj470dwlpr.x86_64-linux
    • python313Packages.pycups
    • cups-brother-dcpl3550cdw
    • cups-brother-dcp1610wlpr
    • perl540Packages.NetCUPS
    • dcp9020cdw-cupswrapper
    • mfcj6510dw-cupswrapper
    • mfcl3770cdwcupswrapper
    • mfcl8690cdwcupswrapper
    • cups-brother-dcpl2550dw
    • cups-brother-mfcl2710dw
    • cups-brother-mfcl2750dw
    • cups-brother-mfcl2800dw
    • perl538Packages.NetCUPS
    • python312Packages.pycups
    • python314Packages.pycups
    • prometheus-apcupsd-exporter
    • gnomeExtensions.apcups-monitor
    • mfc5890cncupswrapper
    • mfcj880dwcupswrapper
    • perlPackages.NetCUPS
    • dcpj785dw-cupswrapper
    • mfc9140cdncupswrapper
    • mfcj470dw-cupswrapper
    • mfcl2700dncupswrapper
    • mfcl2720dwcupswrapper
    • mfcl2740dwcupswrapper
    • perl5Packages.NetCUPS
    • cups-brother-dcpt720dw
    • cups-brother-dcpt725dw
    • cups-brother-hl3170cdw
    • cups-brother-hll2350dw
    • cups-brother-hll2375dw
    • cups-kyocera-3500-4500
    4 months, 2 weeks ago
  • @LeSuisse accepted 4 months, 2 weeks ago
  • @LeSuisse published on GitHub 4 months, 2 weeks ago
OpenPrinting CUPS: Heap out-of-bounds read in SNMP supply-level polling leaks stack memory to authenticated users

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to 2.4.17, a network-adjacent attacker can send a crafted SNMP response to the CUPS SNMP backend that causes an out-of-bounds read of up to 176 bytes past a stack buffer. The leaked memory is converted from UTF-16 to UTF-8 and stored as printer supply description strings, which are subsequently visible to authenticated users via IPP Get-Printer-Attributes responses and the CUPS web interface. This vulnerability is fixed in 2.4.17.

Affected products

cups
  • ==< 2.4.17

Matching in nixpkgs

pkgs.cups

Standards-based printing system for UNIX

Ignored packages (72)

pkgs.cups-bjnp

CUPS back-end for Canon printers

pkgs.cups-browsed

Daemon for browsing the Bonjour broadcasts of shared, remote CUPS printers

pkgs.cups-filters

Backends, filters, and other software that was once part of the core CUPS distribution but is no longer maintained by Apple Inc

pkgs.cups-kyocera

CUPS drivers for several Kyocera FS-{1020,1025,1040,1060,1120,1125} printers

pkgs.gutenprintBin

Some additional CUPS drivers including Canon drivers

pkgs.cups-pk-helper

PolicyKit helper to configure cups with fine-grained privileges

pkgs.gutenprint-bin

Some additional CUPS drivers including Canon drivers

pkgs.libcupsfilters

Backends, filters, and other software that was once part of the core CUPS distribution but is no longer maintained by Apple Inc

pkgs.cups-idprt-tspl

CUPS drivers for TSPL-based iDPRT thermal label printers (SP210, SP310, SP320, SP320E, SP410, SP410BT, SP420, SP450, SP460BT)

pkgs.cups-idprt-barcode

CUPS drivers for iDPRT barcode printers (iD2P, iD2X, iD4P, iD4S, iE2P, iE2X, iE4P, iE4S, iT4B, iT4E, iT4P, iT4S, iT4X, iX4E, iX4L, iX4P, iX4E, iX6P)

Dismissed
Permalink CVE-2004-2154
9.8 CRITICAL
  • CVSS version (CVSS): 3.1
  • Attack Vector (AV): Network (N)
  • Attack Complexity (AC): Low (L)
  • Privileges Required (PR): None (N)
  • User Interaction (UI): None (N)
  • Scope (S): Unchanged (U)
  • Confidentiality (C): High (H)
  • Integrity (I): High (H)
  • Availability (A): High (H)
  • Modified Attack Vector (MAV): Network (N)
  • Modified Attack Complexity (MAC): Low (L)
  • Modified Privileges Required (MPR): None (N)
  • Modified User Interaction (MUI): None (N)
  • Modified Confidentiality (MC): High (H)
  • Modified Scope (MS): Unchanged (U)
  • Modified Integrity (MI): High (H)
  • Modified Availability (MA): High (H)
updated 6 months, 3 weeks ago by @LeSuisse Activity log
  • Created suggestion 6 months, 3 weeks ago
  • @LeSuisse ignored
    68 packages
    • apcupsd
    • cups-bjnp
    • cups-dymo
    • carps-cups
    • cups-zj-58
    • cups-browsed
    • cups-filters
    • cups-kyocera
    • cups-printers
    • gutenprintBin
    • cups-kyodialog
    • cups-pk-helper
    • gutenprint-bin
    • libcupsfilters
    • canon-cups-ufr2
    • cups-idprt-tspl
    • cups-pdf-to-pdf
    • cups-idprt-mt888
    • cups-idprt-mt890
    • cups-idprt-sp900
    • cups-idprt-barcode
    • brgenml1cupswrapper
    • mfc465cncupswrapper
    • cups-brother-dcpt310
    • cups-toshiba-estudio
    • dcp375cw-cupswrapper
    • mfc5890cncupswrapper
    • mfcj880dwcupswrapper
    • perlPackages.NetCUPS
    • mfc9140cdncupswrapper
    • mfcj470dw-cupswrapper
    • mfcl2700dncupswrapper
    • mfcl2720dwcupswrapper
    • mfcl2740dwcupswrapper
    • perl5Packages.NetCUPS
    • magicard-cups-driver
    • cups-brother-dcpt725dw
    • cups-brother-hl3170cdw
    • cups-brother-hll2350dw
    • cups-brother-hll2375dw
    • cups-kyocera-3500-4500
    • dcp9020cdw-cupswrapper
    • mfcj6510dw-cupswrapper
    • mfcl3770cdwcupswrapper
    • mfcl8690cdwcupswrapper
    • cups-brother-mfcl2710dw
    • cups-brother-mfcl2750dw
    • cups-brother-mfcl2800dw
    • perl538Packages.NetCUPS
    • perl540Packages.NetCUPS
    • cups-brother-dcp1610wlpr
    • cups-brother-dcpl3550cdw
    • python312Packages.pycups
    • python313Packages.pycups
    • python314Packages.pycups
    • mfcj470dwlpr.x86_64-linux
    • prometheus-apcupsd-exporter
    • cups-kyocera-ecosys-m552x-p502x
    • cups-brother-hl1110.x86_64-linux
    • cups-brother-hl1210w.x86_64-linux
    • cups-brother-hl2260d.x86_64-linux
    • cups-brother-hl3140cw.x86_64-linux
    • cups-brother-hll2340dw.x86_64-linux
    • home-assistant-component-tests.cups
    • cups-brother-hll3230cdw.x86_64-linux
    • home-assistant-component-tests.apcupsd
    • cups-kyocera-ecosys-m2x35-40-p2x35-40dnw
    • tests.home-assistant-component-tests.apcupsd
    6 months, 3 weeks ago
  • @LeSuisse dismissed 6 months, 3 weeks ago
CUPS before 1.1.21rc1 treats a Location directive in cupsd.conf as …

CUPS before 1.1.21rc1 treats a Location directive in cupsd.conf as case sensitive, which allows attackers to bypass intended ACLs via a printer name containing uppercase or lowercase letters that are different from what is specified in the directive.

References

Affected products

n/a
  • ==n/a
cups
  • <1.1.21
ubuntu_linux
  • ==4.10

Matching in nixpkgs

pkgs.cups

Standards-based printing system for UNIX

Ignored packages (68)

pkgs.cups-bjnp

CUPS back-end for Canon printers

pkgs.cups-browsed

Daemon for browsing the Bonjour broadcasts of shared, remote CUPS printers

pkgs.cups-filters

Backends, filters, and other software that was once part of the core CUPS distribution but is no longer maintained by Apple Inc

pkgs.cups-kyocera

CUPS drivers for several Kyocera FS-{1020,1025,1040,1060,1120,1125} printers

pkgs.gutenprintBin

Some additional CUPS drivers including Canon drivers

pkgs.cups-pk-helper

PolicyKit helper to configure cups with fine-grained privileges

pkgs.gutenprint-bin

Some additional CUPS drivers including Canon drivers

pkgs.libcupsfilters

Backends, filters, and other software that was once part of the core CUPS distribution but is no longer maintained by Apple Inc

pkgs.cups-idprt-tspl

CUPS drivers for TSPL-based iDPRT thermal label printers (SP210, SP310, SP320, SP320E, SP410, SP410BT, SP420, SP450, SP460BT)

pkgs.cups-idprt-barcode

CUPS drivers for iDPRT barcode printers (iD2P, iD2X, iD4P, iD4S, iE2P, iE2X, iE4P, iE4S, iT4B, iT4E, iT4P, iT4S, iT4X, iX4E, iX4L, iX4P, iX4E, iX6P)

Old issue. No impact on current stable branch.