Description
TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution
References (2)
Core 2
Core References
Issue Tracking, Permissions Required issue-tracking
permissions-required
GitLab Issue #21090
https://gitlab.com/wireshark/wireshark/-/issues/21090
Scores
CVSS v3
8.8
EPSS
0.0034
EPSS Percentile
25.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-122
Status
published
Products (2)
wireshark/wireshark
4.6.0 - 4.6.4
Wireshark Foundation/Wireshark
4.6.0 - 4.6.5
Published
Apr 30, 2026
Tracked Since
Apr 30, 2026