All vulnerabilities
CVE-2026-95389

Heap-based Buffer Overflow in Wireshark

Wireshark Foundation Wireshark
CVSS
8.1High
ExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 29 Sep 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.38%Chance of exploitation activity in the next 30 days, higher than 30% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in4.6.9Also 4.4.19CVE List
Published29 Sep 2026Updated 29 Sep 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Description

SCTP protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service

Text from CVE List

Affected versions 2

  • Wiresharkaffected: 4.6.0 before 4.6.9CVE List
  • Wiresharkaffected: 4.4.0 before 4.4.19CVE List

References 2