CVE-2021-31254

medium

Published — · Modified —

CVSS v3

—

CVSS v2

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VIR risk

5.5

Description

Buffer overflow in the tenc_box_read function in MP4Box in GPAC 1.0.1 allows attackers to cause a denial of service or execute arbitrary code via a crafted file, related invalid IV sizes.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-31254

OS impact

OS	Version	Status	Fixed in
arch		affected
debian	bullseye	fixed	`0`

References

https://security-tracker.debian.org/tracker/CVE-2021-31254

Verify integrity in audit chain (admin only). AS-IS.