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CVE-2021-33361: Memory Leak in MP4Box Allows Unauthorized File Access

CVE-2021-33361 · published 5 years ago

Summary

A memory leak in MP4Box in GPAC 1.0.1 could allow an attacker to access sensitive information by sending a specially crafted file. This could potentially lead to unauthorized access to data or system compromise. Update to the latest version of GPAC to fix this issue.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
gpac	gpac	1.0.1 `cpe:2.3:a:gpac:gpac:1.0.1:::::::*`

Original advisory text

Memory leak in the afra_box_read function in MP4Box in GPAC 1.0.1 allows attackers to read memory via a crafted file.

References

https://github.com/gpac/gpac/commit/a51f951b878c2b73c1d8e2f1518c7cdc5fb82c3f Patch Third Party Advisory
https://github.com/gpac/gpac/issues/1782 Exploit Issue Tracking Patch Third Party Advisory
https://www.debian.org/security/2023/dsa-5411

Fix within

Internet-facing 60 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker partial control (estimated)

Severity

5.5 Medium

Exploitation

<1% chance of attack within 30 days

Type

CWE-401Memory Leak

Timeline

Published13 Sep 2021

Updated3 Nov 2026

First seen11 Apr 2026

Sources

CVE-2021-33361 · OSV

CVE-2021-33361 · NVD

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