What’s Vulnerable › Vulnerabilities

CVE-2021-40607

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-06-28 · updated 2026-06-17
• Weakness: CWE-770

Description

The schm_box_size function in GPAC 1.0.1 allows attackers to cause a denial of service via a crafted file in the MP4Box command.

Affected products

• GPAC: before 2.0.0 — fixed in 2.0.0

How to fix

Upgrade to a fixed version: GPAC 2.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/gpac/gpac/issues/1879
• https://github.com/gpac/gpac/issues/1879

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