CVE-2021-39920

NameCVE-2021-39920
DescriptionNULL pointer exception in the IPPUSB dissector in Wireshark 3.4.0 to 3.4.9 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 advisories/code/issues, web search, more)
ReferencesDSA-5019-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wireshark (PTS)buster2.6.20-0+deb10u3fixed
buster (security)2.6.20-0+deb10u2fixed
bullseye (security), bullseye3.4.10-0+deb11u1fixed
bookworm, sid3.6.7-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wiresharksourcestretch(not affected)
wiresharksourcebuster(not affected)
wiresharksourcebullseye3.4.10-0+deb11u1DSA-5019-1
wiresharksource(unstable)3.6.0-1

Notes

[buster] - wireshark <not-affected> (IPPUSB dissector added in 3.4)
[stretch] - wireshark <not-affected> (IPPUSB dissector added in 3.4)
https://gitlab.com/wireshark/wireshark/-/issues/17705
https://www.wireshark.org/security/wnpa-sec-2021-15.html

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