What is CVE-2025-1492?

CVE-2025-1492 is a high-severity vulnerability in Wireshark, classified under Uncontrolled Recursion. CVSS score: 7.8/10. Published 2025-02-20.

How severe is CVE-2025-1492?

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

Vulnerability in Wireshark

CVE-2025-1492

Bundle Protocol and CBOR dissector crashes in Wireshark 4.4.0 to 4.4.3 and 4.2.0 to 4.2.10 allows denial of service via packet injection or crafted capture file

Published 2025-02-20 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.003 (20.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Wireshark
Wireshark Foundation — versions 4.4.0, 4.2.0

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

References

www.wireshark.org/security/wnpa-sec-2025-01.html (Vendor Advisory)
gitlab.com/wireshark/wireshark/-/issues/20373 (issue-tracking, permissions-required, Issue Tracking)

Frequently asked questions

What is CVE-2025-1492?: CVE-2025-1492 is a high-severity vulnerability in Wireshark, classified under Uncontrolled Recursion. CVSS score: 7.8/10. Published 2025-02-20.
How severe is CVE-2025-1492?: High severity. CVSS v3 base score is 7.8 out of 10.