SCTP Protocol Dissector Denial of Service Vulnerability in Wireshark
CVE-2026-95389

8.1HIGH

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
29 September 2026

What is CVE-2026-95389?

A vulnerability in the SCTP protocol dissector of Wireshark versions ranging from 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 can lead to a denial of service. This vulnerability enables an attacker to cause the program to crash when handling specific packets, potentially disrupting network analysis that relies on Wireshark.

Affected Version(s)

Wireshark 4.6.0 < 4.6.9

Wireshark 4.4.0 < 4.4.19

References

https://www.wireshark.org/security/wnpa-sec-2026-93.html
https://gitlab.com/wireshark/wireshark/-/work_items/21481

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Security research assessment of Wireshark internals (Feng Xue)
.