CVE-2020-25862

NameCVE-2020-25862
DescriptionIn Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2547-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wireshark (PTS)bullseye3.4.10-0+deb11u1fixed
bullseye (security)3.4.16-0+deb11u1fixed
bookworm4.0.17-0+deb12u1fixed
bookworm (security)4.0.11-1~deb12u1fixed
sid, trixie4.4.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wiresharksourcestretch2.6.20-0+deb9u1DLA-2547-1
wiresharksourcebuster2.6.20-0+deb10u1
wiresharksource(unstable)3.2.7-1

Notes

https://www.wireshark.org/security/wnpa-sec-2020-12.html
https://gitlab.com/wireshark/wireshark/-/issues/16816

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