CVE-2019-15681
libvncserver - security update
7.5
HIGH
CVSS 3.1
EPSS 9.4%
Description
LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.
How to fix CVE-2019-15681
To remediate CVE-2019-15681, upgrade the affected package to a fixed version below.
- —upgrade to 0.9.11-r3 or later
- —upgrade to 0.9.12+dfsg-3 or later
- —upgrade to 0.9.9+dfsg2-6.1+deb8u6 or later
- —upgrade to 1:1.3.9-9.1 or later
- —upgrade to 3.22.0-6 or later
Is CVE-2019-15681 being exploited?
Moderate — EPSS is 9.4%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (5)
- from 0, < 0.9.11-r3
- from 0, < 0.9.12+dfsg-3
- from 0, < 0.9.9+dfsg2-6.1+deb8u6
- from 0, < 1:1.3.9-9.1
- from 0, < 3.22.0-6
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:H/I:N/A:N |