5.5

CVE-2021-32276: debian debian_linux NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-32276DEBIAN-CVE-2021-32276
Published 20-09-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-32276 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in debian debian_linux. EPSS estimates a 0.88% chance of exploitation in the next 30 days, higher than 58.4% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.88%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 3 · Related 1
DLA-2792-1DSA-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 through 2.10.0. A NULL pointer dereference exists in the function get_sample() located in output.c. It allows an attacker to cause Denial of Service.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.88%

Chance of exploitation in the next 30 days

Percentile

58%

Versus all other CVEs

30-day change

0.00 pp

From 0.89% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.88%

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