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5
CVSSv2

CVE-2021-25804

Published: 26/07/2021 Updated: 04/08/2021
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
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Vulnerability Summary

A NULL-pointer dereference in "Open" in avi.c of VideoLAN VLC Media Player 3.0.11 can a denial of service (DOS) in the application.

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videolan vlc media player 3.0.11

Github Repositories

https://github.com/DShankle/VLC_CVE-2021-25804_Analysis

An AVI file can have multiple tracks For example an audio track and a video track In order to parse an arbitrary number of tracks VLC first must determine if a given track is finished and playable Two variables are set up with this purpose in mind Both named i_track The variable p_sys respresents the avi file for our purposes Thus the "official" i_track variable

References

CWE-476https://code.videolan.org/videolan/vlc-3.0/-/commit/a7f577ec26d35bbd7b2a3cda89d1b41bde69de9chttps://nvd.nist.govhttps://github.com/DShankle/VLC_CVE-2021-25804_Analysis
CVSSv2
CVSSv2
CVSSv3
VMScore
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