CVE-2021-39923

wireshark: PNRP dissector large loop

Published Nov 19, 2021 CVSS 3.1 · 7.5 High EPSS 1.6% KEV · Not listed
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

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-2849-1 wireshark security update
Debian DSA Debian DSA DSA-5019-1 wireshark security update
EUVD EUVD EUVD-2021-26279 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
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitLab
Published
Updated
Aug 4, 2024, 2:20 AM
Reserved
Aug 23, 2021, 12:00 AM
Status
Modified
Published
Nov 19, 2021, 5:15 PM
Modified
Jun 17, 2026, 4:04 AM
Severity
Moderate
Public date
Nov 17, 2021, 12:00 AM