What is CVE-2025-13499?

CVE-2025-13499 is a high-severity vulnerability in Wireshark, classified under Access of Uninitialized Pointer. CVSS score: 7.8/10. Published 2025-11-21.

How severe is CVE-2025-13499?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Wireshark

CVE-2025-13499

Kafka dissector crash in Wireshark 4.6.0 and 4.4.0 to 4.4.10 allows denial of service

EPSS: 0.001 (1.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Wireshark — versions 4.6.0
Wireshark Foundation — versions 4.6.0, 4.4.0

Weakness classification (CWE)

CWE-824 — Access of Uninitialized Pointer

References

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

Frequently asked questions

What is CVE-2025-13499?: CVE-2025-13499 is a high-severity vulnerability in Wireshark, classified under Access of Uninitialized Pointer. CVSS score: 7.8/10. Published 2025-11-21.
How severe is CVE-2025-13499?: High severity. CVSS v3 base score is 7.8 out of 10.