7.8

CVE-2021-32272: debian debian_linux Out-of-bounds Write

CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2021-32272DEBIAN-CVE-2021-32272
Published 20-09-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-32272 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 1.25% chance of exploitation in the next 30 days, higher than 69% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
1.25%
0%100%
Low · -0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
DSA-5109-1USN-6313-1

Timeline

  1. 20-09-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in faad2 before 2.10.0. A heap-buffer-overflow exists in the function stszin located in mp4read.c. It allows an attacker to cause Code Execution.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.25%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

-0.03 pp

From 1.28% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Faad2

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Ubuntu2 products
  • faad2< 2.7-8+deb8u3ubuntu0.1~esm1 | < 2.8.0~cvs20150510-1ubuntu0.1+esm1 | < 2.8.8-1ubuntu0.1~esm1 | < 2.9.1-1ubuntu0.1
  • welle.ioAll versions (No fix recorded)
Faad2_project1 product

3 vendors · 5 products

References

7 links