CVE-2020-25708
HIGH7.5EPSS 0.78%libvncserver - security update
Published: 11/27/2020Modified: 3/9/2026
Also known as:DEBIAN-CVE-2020-25708DLA-2451-1DLA-3125-1
Description
A divide by zero issue was found to occur in libvncserver-0.9.12. A malicious client could use this flaw to send a specially crafted message that, when processed by the VNC server, would lead to a floating point exception, resulting in a denial of service.
Affected packages (3)
- Debian/libvncserverfrom 0, < 0.9.13+dfsg-1
- Debian/libvncserverfrom 0, < 0.9.11+dfsg-1.3~deb9u6
- Debian/libvncserverfrom 0, < 0.9.11+dfsg-1.3+deb10u5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |