CVE-2021-39922high

CVE-2021-39922

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 5.2%

exploitation probability

5.2%top 8% of all CVEs

observed exploitation

nono source reports it

Buffer overflow in the C12.22 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 · Wireshark

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39922.json https://gitlab.com/wireshark/wireshark/-/issues/17636 https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/https://security.gentoo.org/glsa/202210-04 https://www.debian.org/security/2021/dsa-5019 https://www.wireshark.org/security/wnpa-sec-2021-12.html