Red Hat Security Advisory: compat-libtiff3 security update

Fixed packages 2

Vulnerabilities 1

• High 7.8
  CVE-2026-4775

  Libtiff: libtiff: arbitrary code execution or denial of service via signed integer overflow in tiff file processing

  A flaw was found in the libtiff library. A remote attacker could exploit a signed integer overflow vulnerability in the putcontig8bitYCbCr44tile function by providing a specially crafted TIFF file. This flaw can lead to an out-of-bounds heap write due to inco…

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 6 Linux Debian Ubuntu Azure Linux Alpine Wolfi
  Mar 24, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2450768
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_24992.json
• report
  https://access.redhat.com/security/cve/CVE-2026-4775
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-4775
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-4775