Description
The rfbSendFramebufferUpdate function in server/libvncserver/rfbserver.c in vino-server in Vino 2.x before 2.28.3, 2.32.x before 2.32.2, 3.0.x before 3.0.2, and 3.1.x before 3.1.1, when tight encoding is used, allows remote authenticated users to cause a denial of service (daemon crash) via crafted dimensions in a framebuffer update request that triggers an out-of-bounds read operation.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 12 | vino | 2.28.2-3 | — |
| Debian 6.0 | vino | 2.28.2-2+squeeze1 | DSA-2238-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | vino | 2.28.1-8.el6_3 | RHSA-2013:0169 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | vino | 3.22.0-1.1 | openSUSE-SU-2024:10047-1 |
Advisories 3
- RHSA-2013:0169 Red Hat Security Advisory: vino security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-2238-1 vino - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10047-1 vino-3.22.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- http://git.gnome.org/browse/vino/commit/?id=0c2c9175963fc56bf2af10e42867181332f96ce0
- USN-1128-1 vendor-advisory
- http://git.gnome.org/browse/vino/commit/?id=d050a22b1c284b633c407ef92fde95c47e8fdb8a
- SUSE-SR:2011:009 vendor-advisory
- MDVSA-2011:087 vendor-advisory
- RHSA-2013:0169 vendor-advisory
- https://bugzilla.gnome.org/show_bug.cgi?id=641803
- 44410 third-party-advisory
- http://ftp.gnome.org/pub/GNOME/sources/vino/2.32/vino-2.32.2.news
- ADV-2011-1144 vdb-entry
- vino-framebuffer-dos(67244) vdb-entry
- http://ftp.gnome.org/pub/GNOME/sources/vino/2.28/vino-2.28.3.news
- 47681 vdb-entry
- http://git.gnome.org/browse/vino/commit/?id=456dadbb5c5971d3448763a44c05b9ad033e522f
- https://bugzilla.redhat.com/show_bug.cgi?id=694456
- http://git.gnome.org/browse/vino/log/?h=gnome-2-30
- DSA-2238 vendor-advisory
- http://git.gnome.org/browse/vino/commit/?id=e17bd4e369f90748654e31a4867211dc7610975d
- http://git.gnome.org/browse/vino/commit/?id=dff52694a384fe95195f2211254026b752d63ec4
- http://git.gnome.org/browse/vino/commit/?id=8beefcf7792d343c10c919ee0c928c81f73b1279
- 44463 third-party-advisory
- http://ftp.gnome.org/pub/GNOME/sources/vino/3.0/vino-3.0.2.news
- http://git.gnome.org/browse/vino/tree/NEWS