CVE-2021-39923

CVSS 7.5 HIGHEPSS 1.5%

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.5EPSS 1.5%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

19 Nov 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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 · Wireshark

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References

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json https://gitlab.com/wireshark/wireshark/-/issues/17684 https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html https://www.debian.org/security/2021/dsa-5019 https://www.wireshark.org/security/wnpa-sec-2021-11.html