Red Hat Security Advisory: libcupsfilters security update

Fixed packages 1

Vulnerabilities 2

• High 7.5
  CVE-2026-64611

  Libcupsfilters: cups-filters: libcupsfilters: cpu exhaustion via infinite loop in cfieee1284normalizemakemodel()

  A flaw was found in libcupsfilters. The cfIEEE1284NormalizeMakeModel() function enters an infinite loop when processing a printer-advertised IEEE-1284 device ID with an empty model field, causing sustained CPU consumption. A network-adjacent attacker could ex…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu
  Jul 23, 2026
• High 7.5
  CVE-2026-64612

  Libcupsfilters: cups-filters: libcupsfilters: cups image filter process abort via malformed png

  A flaw was found in libcupsfilters and cups-filters. The PNG image reading function creates a libpng reader without installing an error recovery handler, causing the CUPS image filter process to abort when processing a malformed PNG file. An unauthenticated a…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 7 Linux Debian Ubuntu
  Jul 20, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#moderate
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2502799
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2502801
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_56965.json
• report
  https://access.redhat.com/security/cve/CVE-2026-64611
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-64611
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-64611
• article
  https://github.com/OpenPrinting/libcupsfilters/security/advisories/GHSA-rcq7-rv5g-j3r4
• report
  https://access.redhat.com/security/cve/CVE-2026-64612
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-64612
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-64612
• article
  https://github.com/OpenPrinting/libcupsfilters/security/advisories/GHSA-7mxj-cfq5-84ch