High severity7.8NVD Advisory· Published Jan 13, 2022· Updated Jun 17, 2026

CVE-2021-40570

Description

The binary MP4Box in Gpac 1.0.1 has a double-free vulnerability in the avc_compute_poc function in av_parsers.c, which allows attackers to cause a denial of service, even code execution and escalation of privileges.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Gpac/Gpac2 versions
cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*
- (no CPE)
Gpac/MP4Boxdescription
Gpac/MP4Boxllm-fuzzy

Patches

Vulnerability mechanics

References

github.com/gpac/gpac/commit/04dbf08bff4d61948bab80c3f9096ecc60c7f302nvdPatchThird Party Advisory
github.com/gpac/gpac/issues/1899nvdExploitIssue TrackingThird Party Advisory
www.debian.org/security/2023/dsa-5411nvd

News mentions

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cvss	0.507
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000