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Vulnerability · Published Jun 17, 2020 · Assigned by mitre

CVE-2020-14401

Medium 6.5

In plain English

A medium-severity security flaw in the libvncserver package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.5% (higher than 85% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)2.5%top 15.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20libvncserver0.9.13-r0ALPINE-CVE-2020-14401
Alpine:v3.21libvncserver0.9.13-r0ALPINE-CVE-2020-14401
Alpine:v3.22libvncserver0.9.13-r0ALPINE-CVE-2020-14401
Alpine:v3.23libvncserver0.9.13-r0ALPINE-CVE-2020-14401
Alpine:v3.24libvncserver0.9.13-r0ALPINE-CVE-2020-14401
Debian:12libvncserver0.9.13+dfsg-1DEBIAN-CVE-2020-14401
Debian:13libvncserver0.9.13+dfsg-1DEBIAN-CVE-2020-14401
Debian:14libvncserver0.9.13+dfsg-1DEBIAN-CVE-2020-14401
Ubuntu:22.04:LTSveyonno fix listedUBUNTU-CVE-2020-14401
Ubuntu:24.04:LTSveyonno fix listedUBUNTU-CVE-2020-14401
Ubuntu:25.10veyonno fix listedUBUNTU-CVE-2020-14401
Ubuntu:26.04:LTSveyonno fix listedUBUNTU-CVE-2020-14401
Ubuntu:26.10veyonno fix listedUBUNTU-CVE-2020-14401

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References