VULNERABILITY INTELLIGENCE
CVE-2021-39923
CVSS score7.5 HIGH
EPSS probability1.61%
CISA KEVNot currently listed
Published2021-11-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
Large loop in the PNRP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file
Weakness classification
- nvd@nist.gov: CWE-834
Primary references
- cve@gitlab.com — Third Party Advisory
- cve@gitlab.com — Issue Tracking, Patch, Vendor Advisory
- cve@gitlab.com — Mailing List, Third Party Advisory
- cve@gitlab.com — Third Party Advisory
- cve@gitlab.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory