CVE-2021-25802: videolan vlc_media_player Out-of-bounds Read
CVSS: 7.1v3.1HighModified
AliasesUBUNTU-CVE-2021-25802DEBIAN-CVE-2021-25802
Published 26-07-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-25802 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in videolan vlc_media_player. EPSS estimates a 0.74% chance of exploitation in the next 30 days, higher than 53.8% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (NVD)EPSS score
0.74%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 1Timeline
- 26-07-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A buffer overflow vulnerability in the AVI_ExtractSubtitle component of VideoLAN VLC Media Player 3.0.11 allows attackers to cause an out-of-bounds read via a crafted .avi file.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.1Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.74%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
0.00 pp
From 0.74% on 20-09-2026
20-09-202620-10-2026
EPSS score0.74%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- vlc< 3.0.12-1
Ubuntu1 product
- vlc< 2.2.2-5ubuntu0.16.04.5+esm2 | < 3.0.8-0ubuntu18.04.1+esm1 | < 3.0.9.2-1ubuntu0.1~esm1
Videolan1 product
- vlc_media_player3.0.11
3 vendors · 3 products
References
5 links- code.videolan.org/videolan/vlc-3.0/-/commit/0660acc3ab64d2c3ad99cae887a438f0648faa72X Refsource MISCREPORTPatchVendor Advisory