CVE-2020-13164

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-05-19 · updated 2026-06-17
Weakness: CWE-674

Description

In Wireshark 3.2.0 to 3.2.3, 3.0.0 to 3.0.10, and 2.6.0 to 2.6.16, the NFS dissector could crash. This was addressed in epan/dissectors/packet-nfs.c by preventing excessive recursion, such as for a cycle in the directory graph on a filesystem.

Affected products

Debian Linux: 9.0
Fedoraproject Fedora: 31, 32
openSUSE Leap: 15.1, 15.2
Wireshark Foundation Wireshark: from 2.6.0 through 2.6.16; from 3.0.0 through 3.0.10; from 3.2.0 through 3.2.3

References

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00038.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16476
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=e6e98eab8e5e0bbc982cfdc808f2469d7cab6c5a
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5UOISPQTRCZGQLKBVXEDL72AEXEHS425/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNV3EYL4JBWCR22TJO3PH7ADUVS5RWSU/
https://security.gentoo.org/glsa/202007-13
https://www.wireshark.org/security/wnpa-sec-2020-08.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00038.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16476

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