CVE-2021-39923
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 1.6%
exploitation probability
1.6%top 26% of all CVEs
observed exploitation
nono source reports it
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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Wireshark Foundation · WiresharkReferences
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.jsonhttps://gitlab.com/wireshark/wireshark/-/issues/17684https://lists.debian.org/debian-lts-announce/2021/12/msg00015.htmlhttps://www.debian.org/security/2021/dsa-5019https://www.wireshark.org/security/wnpa-sec-2021-11.html