CVE-2025-13945 — Improperly Controlled Sequential Memory Allocation in Foundation Wireshark

CWE-1325 — Improperly Controlled Sequential Memory AllocationCWE-770 — Allocation of Resources Without Limits or Throttling6 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 79.91%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Wireshark Foundation WiresharkWireshark
Timeline
PublishedDec 3

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶NVDwireshark/wireshark4.6.0 — 4.6.2
▶CVEListV5wireshark_foundation/wireshark4.6.0 — 4.6.1
▶Debianwireshark/wireshark< 3.4.16-0+deb11u2+2

Patches

Patch: gitlab.com ↗

🔴Vulnerability Details

3
OSV
CVE-2025-13945: HTTP3 dissector crash in Wireshark 4↗2025-12-03
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GHSA
GHSA-2q7x-94rj-f68w: HTTP3 dissector crash in Wireshark 4↗2025-12-03
▶
CVEList
Improperly Controlled Sequential Memory Allocation in Wireshark↗2025-12-03
▶

📋Vendor Advisories

2
Red Hat
wireshark: Improperly Controlled Sequential Memory Allocation in Wireshark↗2025-12-03
▶
Debian
CVE-2025-13945: wireshark - HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service↗2025
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CVE-2025-13945 — Foundation Wireshark vulnerability | cvebase