CVE-2025-9817
NULL Pointer Dereference in Wireshark
- State
- Published
- Severity
- 7.8 High
- Published
- Sep 3, 2025
- Updated
- Mar 27, 2026
- Reserved
- Sep 1, 2025
Description
SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | GitLab |
Weaknesses
- CWE-476 NULL Pointer Dereference
Affected Products
| Product | Versions |
|---|---|
WiresharkWireshark Foundation |
|
References
- https://www.wireshark.org/security/wnpa-sec-2025-03.html
- GitLab Issue #20642issue-trackingpermissions-required
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