| Name | CVE-2018-20750 |
| Description | LibVNC through 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1652-1, DLA-1979-1 |
| Debian Bugs | 920941 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libvncserver (PTS) | buster | 0.9.11+dfsg-1.3+deb10u4 | fixed |
| buster (security) | 0.9.11+dfsg-1.3+deb10u5 | fixed |
| bullseye | 0.9.13+dfsg-2+deb11u1 | fixed |
| sid, trixie, bookworm | 0.9.14+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[stretch] - libvncserver <not-affected> (Incomplete fix for CVE-2018-15127 not applied)
[stretch] - italc <not-affected> (Incomplete fix for CVE-2018-15127 not applied)
https://github.com/LibVNC/libvncserver/commit/09e8fc02f59f16e2583b34fe1a270c238bd9ffec