| Name | CVE-2016-9941 |
| Description | Heap-based buffer overflow in rfbproto.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message containing a subrectangle outside of the client drawing area. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1979-1, DLA-777-1, DSA-3753-1 |
| Debian Bugs | 850007 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libvncserver (PTS) | bullseye | 0.9.13+dfsg-2+deb11u1 | fixed |
| bookworm | 0.9.14+dfsg-1 | fixed | |
| trixie | 0.9.15+dfsg-1 | fixed | |
| forky, sid | 0.9.15+dfsg-2 | fixed | |
| veyon (PTS) | bullseye | 4.5.3+repack1-1 | fixed |
| bookworm | 4.7.5+repack1-1 | fixed | |
| trixie | 4.9.5+repack1-2 | fixed | |
| forky, sid | 4.9.7+repack1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| italc | source | jessie | 1:2.0.2+dfsg1-2+deb8u1 | DLA-1979-1 | ||
| italc | source | (unstable) | 1:3.0.2+dfsg1-1 | |||
| libvncserver | source | wheezy | 0.9.9+dfsg-1+deb7u2 | DLA-777-1 | ||
| libvncserver | source | jessie | 0.9.9+dfsg2-6.1+deb8u2 | DSA-3753-1 | ||
| libvncserver | source | (unstable) | 0.9.11+dfsg-1 | 850007 | ||
| veyon | source | (unstable) | 4.1.4+repack1-1 |
https://github.com/LibVNC/libvncserver/pull/137
https://github.com/LibVNC/libvncserver/pull/137/commits/5418e8007c248bf9668d22a8c1fa9528149b69f2