DescriptionZNC before 1.7.3-rc1 allows an existing remote user to cause a Denial of Service (crash) via invalid encoding.
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)
Debian Bugs925285

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
znc (PTS)buster1.7.2-3fixed
bookworm, bullseye, sid1.8.2-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[jessie] - znc <ignored> (Minor issue, workaround is to disable modpython)
Every version between 0.096 and 1.7.2 (incl) is vulnerable to the issue,
but earlier versions could not be fixed without a major rewrite. A workaround
though is to disable modpython.

Search for package or bug name: Reporting problems