Integer Overflow or Wraparound Affecting gpac package, versions <1.0.1+dfsg1-4+deb11u1
Threat Intelligence
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-DEBIAN11-GPAC-1567682
- published 20 Aug 2021
- disclosed 25 Aug 2021
Introduced: 20 Aug 2021
CVE-2021-21848 Open this link in a new tabHow to fix?
Upgrade Debian:11 gpac to version 1.0.1+dfsg1-4+deb11u1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream gpac package and not the gpac package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
An exploitable integer overflow vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. The library will actually reuse the parser for atoms with the “stsz” FOURCC code when parsing atoms that use the “stz2” FOURCC code and 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.