5.5

CVE-2026-15171

Exploit

NULL Pointer Dereference in Wireshark

SSH protocol dissector crash in Wireshark 4.6.0 to 4.6.6 and 4.4.0 to 4.4.16 allows denial of service
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Wireshark ≫ Wireshark Version >= 4.4.0 < 4.4.17
Wireshark ≫ Wireshark Version >= 4.6.0 < 4.6.7
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.1% 0.009
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
cve@gitlab.com 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://www.wireshark.org/security/wnpa-sec-2026-55.html
Vendor Advisory
https://gitlab.com/wireshark/wireshark/-/work_items/21378
Third Party Advisory
Exploit
Issue Tracking