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Vulnerabilities CVE-2026-12912

CVE-2026-12912

High
Open
TLP:CLEAR

Libtiff: libtiff: heap-based buffer overflow via crafted pixarlog-compressed tiff image

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Description

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).

Details

CVSS Score
7.3
EPSS Score
0.25%

16.3th percentile

CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Confidence
90%
Published
Jun 29, 2026
Last Modified
Aug 14, 2026
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