7.5

CVE-2021-25804: videolan vlc_media_player NULL Pointer Dereference

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-25804DEBIAN-CVE-2021-25804
Published 26-07-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-25804 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in videolan vlc_media_player. EPSS estimates a 1.81% chance of exploitation in the next 30 days, higher than 78.3% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.81%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 1
DLA-2728-1DSA-4834-1USN-6180-1

Timeline

  1. 26-07-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.81%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.81% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.81%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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

3 vendors · 3 products

References

5 links