5.5

CVE-2025-13946: wireshark foundation wireshark Infinite Loop

CVSS: 5.5v3.1MediumAnalyzed
AliasesSUSE-SU-2026:0817-1UBUNTU-CVE-2025-13946DEBIAN-CVE-2025-13946
Published 03-12-2025Last modified 27-03-2026
Open JSON

Vulnerability summary

CVE-2025-13946 is a medium (CVSS 5.5) Infinite Loop vulnerability in wireshark foundation wireshark. EPSS estimates a 0.15% chance of exploitation in the next 30 days, higher than 3.6% 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
0.15%
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 9 · Related 6
DLA-4479-1DSA-6124-1MGASA-2026-0184OPENSUSE-SU-2025:15799-1OPENSUSE-SU-2026:20151-1SUSE-SU-2025:4413-1

Timeline

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

Description

MEGACO dissector infinite loop in Wireshark 4.6.0 to 4.6.1 and 4.4.0 to 4.4.11 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 0.15% 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

1 found
  • 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
Suse1 product
  • wireshark&distro=SUSE Linux Enterprise Server LTSS Extended Security 12 SP5< 2.4.16-48.66.1
Ubuntu1 product
  • wiresharkAll versions (No fix recorded)
Wireshark1 product
  • wireshark≥ 4.4.0, < 4.4.12 | ≥ 4.6.0, < 4.6.2
Wireshark foundation1 product
  • wireshark≥ 4.6.0, < 4.6.1 | ≥ 4.4.0, < 4.4.11

5 vendors · 5 products

References

8 links