CVE-2020-26420

NameCVE-2020-26420
DescriptionMemory leak in RTPS protocol dissector in Wireshark 3.4.0 and 3.2.0 to 3.2.8 allows denial of service via packet injection or crafted capture file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wireshark (PTS)stretch2.6.7-1~deb9u1fixed
stretch (security)2.6.20-0+deb9u1fixed
buster2.6.20-0+deb10u1fixed
bullseye3.4.4-1fixed
bookworm, sid3.4.8-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wiresharksourcestretch(not affected)
wiresharksourcebuster(not affected)
wiresharksource(unstable)3.4.1-1

Notes

[buster] - wireshark <not-affected> (Vulnerable code was introduced in 3.2.0)
[stretch] - wireshark <not-affected> (Vulnerable code was introduced in 3.2.0)
https://gitlab.com/wireshark/wireshark/-/commit/33e63d19e5496c151bad69f65cdbc7cba2b4c211
https://gitlab.com/wireshark/wireshark/-/issues/16994
https://www.wireshark.org/security/wnpa-sec-2020-18.html

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