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High severity8.8NVD Advisory· Published Aug 18, 2021· Updated Jun 17, 2026

CVE-2021-21857

CVE-2021-21857

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 can cause an integer overflow due to unchecked addition 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

5
  • GPAC Project/GPAC Project on Advanced Content librarydescription
  • GPAC Project On Advanced Content/GPACllm-create
    Range: =1.0.1
  • Gpac/Gpac
    cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*
  • Debian/linux2 versions
    cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
    • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

2

News mentions

0

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