What is CVE-2026-0960?

CVE-2026-0960 is a medium-severity vulnerability in Wireshark, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 4.7/10. Published 2026-01-14.

How severe is CVE-2026-0960?

Medium severity. CVSS v3 base score is 4.7 out of 10.

Vulnerability in Wireshark

CVE-2026-0960

HTTP3 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.2 allows denial of service

EPSS: 0.001 (2.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Wireshark
Wireshark Foundation — versions 4.6.0

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

cve@gitlab.com (Vendor Advisory)
cve@gitlab.com (issue-tracking, Exploit, Patch, permissions-required, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2026-0960?: CVE-2026-0960 is a medium-severity vulnerability in Wireshark, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 4.7/10. Published 2026-01-14.
How severe is CVE-2026-0960?: Medium severity. CVSS v3 base score is 4.7 out of 10.