What’s Vulnerable › Vulnerabilities

CVE-2021-40563

• 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: none known
• Published: 2022-01-12 · updated 2026-06-17
• Weakness: CWE-476

Description

A Segmentation fault exists casued by null pointer dereference exists in Gpac through 1.0.1 via the naludmx_create_avc_decoder_config function in reframe_nalu.c when using mp4box, which causes a denial of service.

Affected products

• GPAC: through 1.0.1

References

• https://github.com/gpac/gpac/commit/5ce0c906ed8599d218036b18b78e8126a496f137
• https://github.com/gpac/gpac/issues/1892
• https://www.debian.org/security/2023/dsa-5411
• https://github.com/gpac/gpac/commit/5ce0c906ed8599d218036b18b78e8126a496f137
• https://github.com/gpac/gpac/issues/1892
• https://www.debian.org/security/2023/dsa-5411

Get alerted when CVE-2021-40563 or the next vulnerability affects your stack