An update for libtiff is now available for Red Hat Enterprise Linux 10.

Red Hat Product Security has rated this update as having a security impact of
Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

The libtiff packages contain a library of functions for manipulating Tagged
Image File Format (TIFF) files.

Security Fix(es):

* libtiff: TIFFRasterScanlineSize64 produce too-big size and could cause OOM
(CVE-2023-52355)

* libtiff: libtiff: Heap-based buffer overflow via crafted PixarLog-compressed
TIFF image (CVE-2026-12912)

Bug Fix(es) and Enhancement(s):

* Reintroduce the `tiffcp -i` option (JIRA:RHEL-185328)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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CVE-2023-52355: Out-of-bounds Write (CWE-787)
CVE-2026-12912: Heap-based Buffer Overflow (CWE-122)