7.8

CVE-2019-19721: videolan vlc_media_player Off-by-one Error

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2019-19721DEBIAN-CVE-2019-19721
Published 15-05-2020Last modified 08-10-2026
Open JSON

Vulnerability summary

CVE-2019-19721 is a high (CVSS 7.8) Off-by-one Error vulnerability in videolan vlc_media_player. EPSS estimates a 1.99% chance of exploitation in the next 30 days, higher than 80.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
42/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
1.99%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 3 · Related 1
DSA-4671-1MGASA-2020-0203USN-6180-1

Timeline

  1. 15-05-2020
    PublishedVulnerability first disclosed.
  2. 08-10-2026
    Last modifiedVulnerability information updated.

Description

An off-by-one error in the DecodeBlock function in codec/sdl_image.c in VideoLAN VLC media player before 3.0.9 allows remote attackers to cause a denial of service (memory corruption) via a crafted image file. NOTE: this may be related to the SDL_Image product.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.99%

Chance of exploitation in the next 30 days

Percentile

80%

Versus all other CVEs

30-day change

+0.05 pp

From 1.94% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.99%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugs.gentoo.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • vlc< 3.0.9.2-1
Ubuntu1 product
  • vlc< 2.2.2-5ubuntu0.16.04.5+esm2 | < 3.0.8-0ubuntu18.04.1+esm1
Videolan1 product

3 vendors · 3 products

References

9 links