Red Hat Security Advisory: libtiff security update

Fixed packages 1

Vulnerabilities 1

• High 7.3
  CVE-2026-12912

  Libtiff: libtiff: heap-based buffer overflow via crafted pixarlog-compressed tiff image

  A flaw was found in libtiff. A remote attacker could exploit this vulnerability by providing a specially crafted PixarLog-compressed TIFF image. This issue occurs when decoding Pixarlog codec images with the PIXARLOGDATAFMT_8BITABGR output format and a specif…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 6 Linux Debian Ubuntu Azure Linux
  Jun 29, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2492871
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_58554.json
• report
  https://access.redhat.com/security/cve/CVE-2026-12912
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-12912
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-12912
• article
  https://gitlab.com/libtiff/libtiff/-/merge_requests/873
• article
  https://gitlab.com/libtiff/libtiff/-/work_items/824