Heap-based Buffer Overflow Affecting libtiff-debuginfo package, versions <0:4.0.9-38.el8_10


Severity

Recommended
0.0
high
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.43% (36th percentile)

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  • Snyk IDSNYK-ROCKY8-LIBTIFFDEBUGINFO-18515743
  • published4 Aug 2026
  • disclosed29 Jun 2026

Introduced: 29 Jun 2026

CVE-2026-12912  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 libtiff-debuginfo to version 0:4.0.9-38.el8_10 or higher.
This issue was patched in RLSA-2026:47184.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libtiff-debuginfo package and not the libtiff-debuginfo package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

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).

References

CVSS Base Scores

version 3.1