5.5

CVE-2025-13945: wireshark foundation wireshark

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2025-13945DEBIAN-CVE-2025-13945
Published 03-12-2025Last modified 27-03-2026

Vulnerability summary

CVE-2025-13945 is a medium (CVSS 5.5) vulnerability in wireshark foundation wireshark. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 4.2% of scored vulnerabilities. 2 public exploits are 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
0.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Advisory lineage

Upstream 0 · Downstream 7 · Related 4

Timeline

  1. 03-12-2025
    PublishedVulnerability first disclosed.
  2. 27-03-2026
    Last modifiedVulnerability information updated.

Description

HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.15%

Chance of exploitation in the next 30 days

Percentile

4%

Versus all other CVEs

30-day change

0.00 pp

From 0.16% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.15%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (wireshark.org)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (gitlab.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • wireshark< 4.0.17-0+deb12u2 | < 4.4.13-0+deb13u1 | < 4.6.2-1
Ubuntu1 product
  • wiresharkAll versions (No fix recorded)
Wireshark1 product
Wireshark foundation1 product

4 vendors · 4 products

References

5 links