What is CVE-2026-12706?

CVE-2026-12706 is a medium-severity vulnerability in Red Hat Enterprise Linux Ai (Rhel Ai) 3, classified under Use After Free. CVSS score: 6.5/10. Published 2026-06-19.

How severe is CVE-2026-12706?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Use After Free in Red Hat Enterprise Linux Ai (Rhel Ai) 3

CVE-2026-12706

A use-after-free vulnerability was found in FFmpeg's RASC video decoder. The decode_move() function initializes a read pointer into a decompressed buffer, but a subsequent reallocation of that same buffer during move-table processing leave…

Vulnerability class: Use-After-Free

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-416 — Use After Free

References

secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
secalert@redhat.com
secalert@redhat.com

Frequently asked questions

What is CVE-2026-12706?: CVE-2026-12706 is a medium-severity vulnerability in Red Hat Enterprise Linux Ai (Rhel Ai) 3, classified under Use After Free. CVSS score: 6.5/10. Published 2026-06-19.
How severe is CVE-2026-12706?: Medium severity. CVSS v3 base score is 6.5 out of 10.