Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-36849: Denial of Service via large SamplesPerPixel tag 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 7
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | libtiff | 0:4.4.0-4.amzn2023.0.27 |
| Amazon Linux · 2023 | libtiff-debuginfo | 0:4.4.0-4.amzn2023.0.27 |
| Amazon Linux · 2023 | libtiff-debugsource | 0:4.4.0-4.amzn2023.0.27 |
| Amazon Linux · 2023 | libtiff-devel | 0:4.4.0-4.amzn2023.0.27 |
| Amazon Linux · 2023 | libtiff-static | 0:4.4.0-4.amzn2023.0.27 |
| Amazon Linux · 2023 | libtiff-tools | 0:4.4.0-4.amzn2023.0.27 |
| Amazon Linux · 2023 | libtiff-tools-debuginfo | 0:4.4.0-4.amzn2023.0.27 |
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…