CVE-2026-5402

Name
CVE-2026-5402
Description
TLS protocol dissector heap overflow in Wireshark 4.6.0 to 4.6.4 allows denial of service and possible code execution
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
cve@gitlab.com https://gitlab.com/wireshark/wireshark/-/issues/21090
cve@gitlab.com https://www.wireshark.org/security/wnpa-sec-2026-14.html
134c704f-9b21-4f2e-91b3-4a467353bcc0 https://gitlab.com/wireshark/wireshark/-/work_items/21090

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* wireshark >= 4.6.0 <= 4.6.4

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
wireshark edge-community 4.6.4-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
wireshark edge-community 4.6.3-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
wireshark edge-community 4.6.2-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
wireshark edge-community 4.6.1-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
wireshark edge-community 4.6.0-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
wireshark 3.23-community 4.6.4-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable
wireshark 3.23-community 4.6.1-r0 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable