What is CVE-2026-12912?

CVE-2026-12912 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Heap-based Buffer Overflow. CVSS score: 7.3/10. Published 2026-06-29.

How severe is CVE-2026-12912?

High severity. CVSS v3 base score is 7.3 out of 10.

Buffer overflow in Red Hat Enterprise Linux 10

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…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
secalert@redhat.com
secalert@redhat.com
0b0ca135-0b70-47e7-9f44-1890c2a1c46c

Frequently asked questions

What is CVE-2026-12912?: CVE-2026-12912 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Heap-based Buffer Overflow. CVSS score: 7.3/10. Published 2026-06-29.
How severe is CVE-2026-12912?: High severity. CVSS v3 base score is 7.3 out of 10.