Medium severity5.5NVD Advisory· Published Jan 12, 2022· Updated Jun 17, 2026

CVE-2021-40564

Description

A Segmentation fault caused by null pointer dereference vulnerability eists in Gpac through 1.0.2 via the avc_parse_slice function in av_parsers.c when using mp4box, which causes a denial of service.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Gpac/Gpac2 versions
cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*range: <=1.0.2
- (no CPE)range: <=1.0.2
Gpac/Gpacdescription
Gpac/MP4Boxllm-fuzzy
Range: <=1.0.2

Patches

Vulnerability mechanics

References

github.com/gpac/gpac/commit/cf6771c857eb9a290e2c19ddacfdd3ed98b27618nvdPatchThird Party Advisory
github.com/gpac/gpac/issues/1898nvdThird Party Advisory
www.debian.org/security/2023/dsa-5411nvd

News mentions

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cvss	0.358
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000