High severity8.8NVD Advisory· Published Aug 18, 2021· Updated Jun 17, 2026
CVE-2021-21845
CVE-2021-21845
Description
Multiple exploitable integer overflow vulnerabilities exist within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input in “stsc” decoder can cause an integer overflow due to unchecked arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability.
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Affected products
2- GPAC/Project on Advanced Content librarydescription
- Range: =1.0.1
Patches
Vulnerability mechanics
References
3- talosintelligence.com/vulnerability_reports/TALOS-2021-1297nvdExploitTechnical DescriptionThird Party Advisory
- www.talosintelligence.com/vulnerability_reports/TALOS-2021-1297nvdExploitTechnical DescriptionThird Party Advisory
- www.debian.org/security/2021/dsa-4966nvdThird Party Advisory
News mentions
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