Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2026-12912: A flaw was found in libtiff. A remote attacker could exploit this vulnerability by providing a specially crafted PixarLog-compressed TIFF image. This issue occurs when decoding Pixarlog codec images with the PIXARLOGDATAFMT_8BITABGR output format and a specific stride value, leading to a heap-based buffer overflow. This could potentially result in arbitrary code execution or a denial of service (DoS).
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | compat-libtiff3 | 0:3.9.4-12.amzn2.0.10 |
| Amazon Linux · 2 | compat-libtiff3-debuginfo | 0:3.9.4-12.amzn2.0.10 |
Vulnerabilities 1
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High 7.3
Libtiff: libtiff: heap-based buffer overflow via crafted pixarlog-compressed tiff image
A flaw was found in libtiff. A remote attacker could exploit this vulnerability by providing a specially crafted PixarLog-compressed TIFF image. This issue occurs when decoding Pixarlog codec images with the PIXARLOGDATAFMT_8BITABGR output format and a specif…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2026-12912.html