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osvGoogleOSV:CVE-2021-21837
HistoryAug 18, 2021 - 1:15 p.m.

CVE-2021-21837

2021-08-1813:15:07
Google
osv.dev
7
gpac project
integer overflow
mpeg-4 decoding
heap-based buffer overflow
memory corruption
video
vulnerability

AI Score

7.2

Confidence

High

EPSS

0.004

Percentile

72.4%

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 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.

AI Score

7.2

Confidence

High

EPSS

0.004

Percentile

72.4%