| Name | CVE-2019-15693 |
| Description | TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow, which occurs in TightDecoder::FilterGradient. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 947428 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| tigervnc (PTS) | stretch (security), stretch (lts), stretch | 1.7.0+dfsg-7+deb9u2 | fixed |
| buster | 1.9.0+dfsg-3+deb10u3 | fixed |
| bullseye | 1.11.0+dfsg-2+deb11u1 | fixed |
| bookworm | 1.12.0+dfsg-8 | fixed |
| sid, trixie | 1.14.1+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| tigervnc | source | stretch | 1.7.0+dfsg-7+deb9u1 | | | |
| tigervnc | source | buster | 1.9.0+dfsg-3+deb10u1 | | | |
| tigervnc | source | (unstable) | 1.10.1+dfsg-1 | | | 947428 |
Notes
https://www.openwall.com/lists/oss-security/2019/12/20/2
https://github.com/TigerVNC/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95 (master)
https://github.com/TigerVNC/tigervnc/commit/46c081926efd83c90a45c0a96b1b5bc1927e1346 (v1.10.1)