What’s Vulnerable › Vulnerabilities

CVE-2021-40565

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-01-12 · updated 2026-06-17
• Weakness: CWE-476

Description

A Segmentation fault caused by a null pointer dereference vulnerability exists in Gpac through 1.0.1 via the gf_avc_parse_nalu function in av_parsers.c when using mp4box, which causes a denial of service.

Affected products

• GPAC: through 1.0.1

References

• https://github.com/gpac/gpac/commit/893fb99b606eebfae46cde151846a980e689039b
• https://github.com/gpac/gpac/issues/1902
• https://www.debian.org/security/2023/dsa-5411
• https://github.com/gpac/gpac/commit/893fb99b606eebfae46cde151846a980e689039b
• https://github.com/gpac/gpac/issues/1902
• https://www.debian.org/security/2023/dsa-5411

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