| Name | CVE-2019-9917 |
| Description | ZNC before 1.7.3-rc1 allows an existing remote user to cause a Denial of Service (crash) via invalid encoding. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4463-1 |
| Debian Bugs | 925285 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| znc (PTS) | jessie, jessie (lts) | 1.4-2+deb8u2 | vulnerable |
| stretch (security), stretch (lts), stretch | 1.6.5-1+deb9u2 | fixed |
| buster | 1.7.2-3 | fixed |
| bullseye (security), bullseye | 1.8.2-2+deb11u1 | fixed |
| bookworm (security), bookworm | 1.8.2-3.1+deb12u1 | fixed |
| sid, trixie | 1.9.1-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| znc | source | wheezy | (unfixed) | end-of-life | | |
| znc | source | stretch | 1.6.5-1+deb9u2 | | DSA-4463-1 | |
| znc | source | (unstable) | 1.7.2-2 | | | 925285 |
Notes
[jessie] - znc <ignored> (Minor issue, workaround is to disable modpython)
https://github.com/znc/znc/commit/64613bc8b6b4adf1e32231f9844d99cd512b8973
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.