CVE-2021-21852

HIGH

GPAC 1.0.1 - Integer Overflow in MPEG-4 stss Decoder

Title source: llm
STIX 2.1

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 at “stss” 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.

References (3)

Core 3
Core References
Third Party Advisory vendor-advisory
https://www.debian.org/security/2023/dsa-5411
Exploit, Technical Description, Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1297
Broken Link, Exploit, Technical Description, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1297

Scores

CVSS v3 8.8
EPSS 0.0199
EPSS Percentile 78.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-190 CWE-680
Status published
Products (1)
gpac/gpac 1.0.1
Published Aug 18, 2021
Tracked Since Feb 18, 2026