CVE-2021-21854: Buffer Overflow
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-21854?
CVE-2021-21854 is classified as a high-severity vulnerability due to the potential for heap-based buffer overflow.
How do I fix CVE-2021-21854?
To fix CVE-2021-21854, update the GPAC software to version 0.5.2-426-gc5ad4e4+dfsg5-5 or higher.
What types of systems are affected by CVE-2021-21854?
CVE-2021-21854 affects the GPAC library versions including 1.0.1 and earlier on Debian Linux distributions.
What exploitation techniques can be used with CVE-2021-21854?
CVE-2021-21854 can be exploited by supplying crafted MPEG-4 input files that trigger integer overflows.
What is the potential impact of CVE-2021-21854?
The potential impact of CVE-2021-21854 includes remote code execution and denial of service due to memory corruption.