Red Hat Security Advisory: compat-libtiff3 security update

Fixed packages 1

Vulnerabilities 1

• High 8.8
  CVE-2025-9900

  Libtiff: libtiff write-what-where

  A flaw was found in Libtiff. This vulnerability is a "write-what-where" condition, triggered when the library processes a specially crafted TIFF image file. By providing an abnormally large image height value in the file's metadata, an attacker can trick the …

  Red Hat Red Hat Enterprise Linux 9 Red Hat Enterprise Linux 8 Red Hat Enterprise Linux 6 Linux Debian Ubuntu Azure Linux
  Sep 23, 2025

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2392784
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_17738.json
• report
  https://access.redhat.com/security/cve/CVE-2025-9900
• advisory
  https://www.cve.org/CVERecord?id=CVE-2025-9900
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2025-9900
• article
  https://github.com/SexyShoelessGodofWar/LibTiff-4.7.0-Write-What-Where?tab=readme-ov-file
• article
  https://gitlab.com/libtiff/libtiff/-/issues/704
• article
  https://gitlab.com/libtiff/libtiff/-/merge_requests/732
• article
  https://libtiff.gitlab.io/libtiff/releases/v4.7.1.html