CVE-2021-28300

9.8 criticalEPSS 2.1%

Critical (9.8) in gpac gpac. EPSS 2.1% chance of exploitation in the next 30 days.

NULL Pointer Dereference in the "isomedia/track.c" module's "MergeTrack()" function of GPAC v0.5.2 allows attackers to execute arbitrary code or cause a Denial-of-Service (DoS) by uploading a malicious MP4 file.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.1% chance of exploitation in the next 30 days; higher than 81% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2021-04-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

gpac:gpac

References

https://github.com/gpac/gpac/issues/1702
https://github.com/gpac/gpac/issues/1702

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