Amazon Linux 2023 Security Advisory: ALAS2023-2026-1547
Advisory Released Date: 2026-04-13
Advisory Updated Date: 2026-04-13
Severity:
Important
Issue Overview:
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 incorrect memory pointer calculations, potentially causing a denial of service (application crash) or arbitrary code execution. (CVE-2026-4775)
Affected Packages:
libtiff
Issue Correction:
Run dnf update libtiff --releasever 2023.11.20260413 or dnf update --advisory ALAS2023-2026-1547 --releasever 2023.11.20260413 to update your system.
More information on how to update your system can be found on this page: Amazon Linux 2023 documentation
New Packages:
aarch64:
libtiff-tools-4.4.0-4.amzn2023.0.26.aarch64
libtiff-debugsource-4.4.0-4.amzn2023.0.26.aarch64
libtiff-static-4.4.0-4.amzn2023.0.26.aarch64
libtiff-4.4.0-4.amzn2023.0.26.aarch64
libtiff-debuginfo-4.4.0-4.amzn2023.0.26.aarch64
libtiff-tools-debuginfo-4.4.0-4.amzn2023.0.26.aarch64
libtiff-devel-4.4.0-4.amzn2023.0.26.aarch64
src:
libtiff-4.4.0-4.amzn2023.0.26.src
x86_64:
libtiff-debugsource-4.4.0-4.amzn2023.0.26.x86_64
libtiff-tools-debuginfo-4.4.0-4.amzn2023.0.26.x86_64
libtiff-debuginfo-4.4.0-4.amzn2023.0.26.x86_64
libtiff-static-4.4.0-4.amzn2023.0.26.x86_64
libtiff-devel-4.4.0-4.amzn2023.0.26.x86_64
libtiff-tools-4.4.0-4.amzn2023.0.26.x86_64
libtiff-4.4.0-4.amzn2023.0.26.x86_64