CVE-2021-39923

HighCVSS 7.5/10Last modified Jun 17, 2026

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

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Nov 19, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-399247.5Large loop in the Bluetooth DHT 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 cCVE-2021-399257.5Buffer overflow in the Bluetooth SDP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injectionCVE-2021-399267.5Buffer overflow in the Bluetooth HCI_ISO dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted captCVE-2021-399274.3Server side request forgery protections in GitLab CE/EE versions between 8.4 and 14.4.4, between 14.5.0 and 14.5.2, and between 14.6.0 and 1CVE-2021-399287.5NULL pointer exception in the IEEE 802.11 dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injeCVE-2021-399297.5Uncontrolled Recursion in the Bluetooth DHT dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet inCVE-2021-39936.5showdoc is vulnerable to Cross-Site Request Forgery (CSRF)CVE-2021-399304.3Missing authorization in GitLab EE versions between 12.4 and 14.3.6, between 14.4.0 and 14.4.4, and between 14.5.0 and 14.5.2 allowed an attCVE-2021-399314.3An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.11 before 14.3.6, all versions starting from 14.4 beforeCVE-2021-399324.3An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.0 before 14.3.6, all versions starting from 14.4 beforeCVE-2021-399336.5An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.10 before 14.3.6, all versions starting from 14.4 beforCVE-2021-399344.3Improper access control allows any project member to retrieve the service desk email address in GitLab CE/EE versions starting 12.10 before
CVE-2021-39923: High severity, CVSS 7.5 | Vulnix