Amazon Linux 2 Security Advisory: ALAS2-2026-3235
Advisory Released Date: 2026-04-14
Advisory Updated Date: 2026-04-14
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
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update libtiff or yum update --advisory ALAS2-2026-3235 to update your system.
New Packages:
aarch64:
libtiff-4.0.3-35.amzn2.0.30.aarch64
libtiff-devel-4.0.3-35.amzn2.0.30.aarch64
libtiff-static-4.0.3-35.amzn2.0.30.aarch64
libtiff-tools-4.0.3-35.amzn2.0.30.aarch64
libtiff-debuginfo-4.0.3-35.amzn2.0.30.aarch64
i686:
libtiff-4.0.3-35.amzn2.0.30.i686
libtiff-devel-4.0.3-35.amzn2.0.30.i686
libtiff-static-4.0.3-35.amzn2.0.30.i686
libtiff-tools-4.0.3-35.amzn2.0.30.i686
libtiff-debuginfo-4.0.3-35.amzn2.0.30.i686
src:
libtiff-4.0.3-35.amzn2.0.30.src
x86_64:
libtiff-4.0.3-35.amzn2.0.30.x86_64
libtiff-devel-4.0.3-35.amzn2.0.30.x86_64
libtiff-static-4.0.3-35.amzn2.0.30.x86_64
libtiff-tools-4.0.3-35.amzn2.0.30.x86_64
libtiff-debuginfo-4.0.3-35.amzn2.0.30.x86_64