Detections
Analytics

CVE-2021-39928

high

Description

NULL 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 injection or crafted capture file

References

https://www.debian.org/security/2021/dsa-5019

https://security.gentoo.org/glsa/202210-04

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/

https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39928.json

https://www.wireshark.org/security/wnpa-sec-2021-13.html

https://gitlab.com/wireshark/wireshark/-/issues/17704

Details

Source: Mitre, NVD

Published: 2021-11-18

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.00194