| Name | CVE-2019-20788 |
| Description | libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value. NOTE: this may overlap CVE-2019-15690. |
| 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-2146-1 |
| NVD severity | high |
| Debian Bugs | 954163 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libvncserver (PTS) | stretch | 0.9.11+dfsg-1.3~deb9u4 | fixed |
| stretch (security) | 0.9.11+dfsg-1.3~deb9u5 | fixed | |
| buster | 0.9.11+dfsg-1.3+deb10u4 | fixed | |
| bullseye, sid | 0.9.13+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libvncserver | source | jessie | 0.9.9+dfsg2-6.1+deb8u7 | DLA-2146-1 | ||
| libvncserver | source | stretch | 0.9.11+dfsg-1.3~deb9u4 | |||
| libvncserver | source | buster | 0.9.11+dfsg-1.3+deb10u3 | |||
| libvncserver | source | (unstable) | 0.9.12+dfsg-9 | 954163 |
https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed