Denial of Service Vulnerability in Wireshark by the Vendor Wireshark
CVE-2026-96418

5.5MEDIUM

Key Information:

Vendor

Wireshark
Status
Wireshark
Vendor
CVE Published:
29 September 2026

What is CVE-2026-96418?

A vulnerability exists within the TIFF protocol dissector in Wireshark versions 4.6.0 through 4.6.8 and 4.4.0 through 4.4.18, which can lead to an infinite loop. This issue can potentially cause a denial of service, allowing an attacker to disrupt network analysis activities by consuming system resources.

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-2026-107.html
https://gitlab.com/wireshark/wireshark/-/work_items/21565

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Credit: Claude and Ada Logics
.