Back to Database
Status published
Medium
CVE-2025-13945
Improperly Controlled Sequential Memory Allocation in Wireshark
Vulnerability Description
HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-13945
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Sébastien Féry
References
More from Wireshark Foundation
View All →CVE-2025-9817
NULL Pointer Dereference in Wireshark
High
7.8
CVE-2025-5601
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') in Wireshark
High
7.8
CVE-2025-1492
Uncontrolled Recursion in Wireshark
High
7.8
CVE-2025-13946
Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark
Medium
5.5
CVE-2025-13674
Access of Uninitialized Pointer in Wireshark
Medium
5.5
Affected Vendor
Wireshark Foundation
View all reports →Affected Software
Wireshark
Vulnerable Versions:
4.6.0
Timeline
Official Publish:
December 3rd, 2025
Last Modified:
March 27th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.