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

CVE-2025-13945

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

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

MEDIUM · CVSS 5.5 EPSS 0.00042
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1325Improperly Controlled Sequential Memory Allocation
▤

Affected Products & Versions

1
wireshark>= 4.6.0 and < 4.6.2
⚠

Public Exploits & PoCs

2
pocgitlab.com · 20860gitlab.com
pocwww.wireshark.org · wnpa-sec-2025-07.htmlwww.wireshark.org
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@gitlab.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD03 Dec 2025 · 08:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

4
suse-csafSUSE-SU-2026:1169-1
suse-csafopenSUSE-SU-2026:20151-1
suse-csafSUSE-SU-2026:20222-1
suse-csafopenSUSE-SU-2025:15799-1
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