CVE-2021-4186

NameCVE-2021-4186
DescriptionCrash in the Gryphon dissector in Wireshark 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3906-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wireshark (PTS)bullseye3.4.10-0+deb11u1vulnerable
bullseye (security)3.4.16-0+deb11u1fixed
bookworm, bookworm (security)4.0.11-1~deb12u1fixed
sid, trixie4.4.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wiresharksourcestretch(not affected)
wiresharksourcebuster(not affected)
wiresharksourcebullseye3.4.16-0+deb11u1DLA-3906-1
wiresharksource(unstable)3.6.0-1

Notes

[buster] - wireshark <not-affected> (The vulnerable code is not present)
[stretch] - wireshark <not-affected> (The vulnerable code is not present)
https://www.wireshark.org/security/wnpa-sec-2021-16.html
https://gitlab.com/wireshark/wireshark/-/issues/17737

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