Description
SDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 allows denial of service
Affected products
wireshark: wireshark
References3
- www.wireshark.org/security/wnpa-sec-2026-19.html Vendor Advisory
- gitlab.com/wireshark/wireshark/-/issues/21112 ExploitIssue TrackingThird Party Advisory
- gitlab.com/wireshark/wireshark/-/work_items/21112 ExploitIssue TrackingThird Party Advisory
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 11 · as of 13 November 2026
- CWE
- CWE-416
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.