Back to Security Advisories
High 2026-08-06

Compat-Libtiff3 Security Update — AlmaLinux 8 (ALSA-2026:47183)

AlmaLinux 8

The libtiff3 package provides libtiff 3, an older version of libtiff library for manipulating TIFF (Tagged Image File Format) image format files. This version should be used only if you are unable to use the current version of libtiff. Security Fix(es): * libtiff: libtiff: Heap-based buffer overflow via craf…

The libtiff3 package provides libtiff 3, an older version of libtiff library for manipulating TIFF (Tagged Image File Format) image format files. This version should be used only if you are unable to use the current version of libtiff.

Security Fix(es):

* libtiff: libtiff: Heap-based buffer overflow via craf…

Type:
security

Severity:
important

Release date:
2026-08-06

Description:
The libtiff3 package provides libtiff 3, an older version of libtiff library for manipulating TIFF (Tagged Image File Format) image format files. This version should be used only if you are unable to use the current version of libtiff.

Security Fix(es):

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

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.

References:

Updated packages listed below:

Architecture Package Checksum
aarch64 compat-libtiff3-3.9.4-16.el8_10.aarch64.rpm 355b489618e83413a35937a2ee6dd8083c29ea48e845f3960a0d39ff20c1fb5f
i686 compat-libtiff3-3.9.4-16.el8_10.i686.rpm 419569ff3da454b204e0d43640970ae63b917889a737534673711209594942f9
ppc64le compat-libtiff3-3.9.4-16.el8_10.ppc64le.rpm d0019c037a0413aaf308adf00af39f4a1036e6cfcd51d82230537fe5a45b4711
s390x compat-libtiff3-3.9.4-16.el8_10.s390x.rpm 51852a59b7577dc11e642f8faaacf0bdd87122a09abf3593f35adddfaeec9497
x86_64 compat-libtiff3-3.9.4-16.el8_10.x86_64.rpm a241c6a40d211066e310a75dbf5afd4dc1f4daa47c4ed38053db40fb66cdfc2b

Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.

How to Apply the Fix

Update the affected packages on your server to the patched release, then restart the relevant services.

sudo dnf update
More Information

Security Advisories

Latest Advisories

ConfigServer Security & Firewall (CSF) 16.30-1 — cPanel & WHM Update

2026-08-07

Sitejet Builder 4.12.0-1 — cPanel & WHM Update

2026-08-07

cPanel & WHM version 138

2026-08-07

Check your system for vulnerabilities

Select your product and operating system to see the exact fix commands that apply to you.

Check Your System