| Name | CVE-2019-20839 |
| Description | libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-2264-1, DLA-2347-1 |
| NVD severity | medium |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libvncserver (PTS) | stretch | 0.9.11+dfsg-1.3~deb9u4 | vulnerable |
| stretch (security) | 0.9.11+dfsg-1.3~deb9u6 | fixed |
| buster | 0.9.11+dfsg-1.3+deb10u4 | fixed |
| bullseye | 0.9.13+dfsg-2 | fixed |
| bookworm, sid | 0.9.13+dfsg-3 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/LibVNC/libvncserver/commit/3fd03977c9b35800d73a865f167338cb4d05b0c1