CVE-2020-25866

NameCVE-2020-25866
DescriptionIn Wireshark 3.2.0 to 3.2.6 and 3.0.0 to 3.0.13, the BLIP protocol dissector has a NULL pointer dereference because a buffer was sized for compressed (not uncompressed) messages. This was addressed in epan/dissectors/packet-blip.c by allowing reasonable compression ratios and rejecting ZIP bombs.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
wireshark (PTS)buster2.6.20-0+deb10u4fixed
buster (security)2.6.20-0+deb10u7fixed
bullseye (security), bullseye3.4.10-0+deb11u1fixed
bookworm, bookworm (security)4.0.6-1~deb12u1fixed
sid, trixie4.0.8-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
wiresharksourcestretch(not affected)
wiresharksourcebuster(not affected)
wiresharksource(unstable)3.2.7-1

Notes

[buster] - wireshark <not-affected> (Vulnerable code not present)
[stretch] - wireshark <not-affected> (Vulnerable code not present)
https://www.wireshark.org/security/wnpa-sec-2020-13.html
https://gitlab.com/wireshark/wireshark/-/issues/16866

Search for package or bug name: Reporting problems