5.5

CVE-2021-4183: fedoraproject fedora Out-of-bounds Read

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2021-4183DEBIAN-CVE-2021-4183
Published 30-12-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-4183 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in fedoraproject fedora. EPSS estimates a 1.48% chance of exploitation in the next 30 days, higher than 73.4% 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 (CVE.org)
EPSS score
1.48%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 3 · Related 3
OPENSUSE-SU-2022:0375-1OPENSUSE-SU-2024:11703-1SUSE-SU-2022:0375-1

Timeline

  1. 30-12-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Crash in the pcapng file parser in Wireshark 3.6.0 allows denial of service via crafted capture file

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

1.48%

Chance of exploitation in the next 30 days

Percentile

73%

Versus all other CVEs

30-day change

0.00 pp

From 1.48% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.48%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (gitlab.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Oracle2 products
Debian1 product
  • wireshark< 3.6.2-1
Fedoraproject1 product
Ubuntu1 product
  • wiresharkAll versions (No fix recorded)
Wireshark1 product
Wireshark foundation1 product

6 vendors · 7 products

References

10 links