Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2026-4775: 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.
Fixed packages 5
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | libtiff | 0:4.0.3-35.amzn2.0.30 |
| Amazon Linux · 2 | libtiff-debuginfo | 0:4.0.3-35.amzn2.0.30 |
| Amazon Linux · 2 | libtiff-devel | 0:4.0.3-35.amzn2.0.30 |
| Amazon Linux · 2 | libtiff-static | 0:4.0.3-35.amzn2.0.30 |
| Amazon Linux · 2 | libtiff-tools | 0:4.0.3-35.amzn2.0.30 |
Vulnerabilities 1
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High 7.8
Libtiff: libtiff: arbitrary code execution or denial of service via signed integer overflow in tiff file processing
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 inco…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-4775.html