What’s Vulnerable › Vulnerabilities

CVE-2021-32135

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-09-13 · updated 2026-06-17
• Weakness: CWE-476

Description

The trak_box_size function in GPAC 1.0.1 allows attackers to cause a denial of service (NULL pointer dereference) via a crafted file in the MP4Box command.

Affected products

• GPAC: 1.0.1

References

• https://github.com/gpac/gpac/commit/b8f8b202d4fc23eb0ab4ce71ae96536ca6f5d3f8
• https://github.com/gpac/gpac/issues/1757
• https://github.com/gpac/gpac/commit/b8f8b202d4fc23eb0ab4ce71ae96536ca6f5d3f8
• https://github.com/gpac/gpac/issues/1757

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