Vulnerability · Published Nov 20, 2020 · Assigned by mitre

CVE-2020-19668

Medium 6.5

In plain English

A medium-severity security flaw in the libsixel package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)0.9%top 41.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

Unverified indexs into the array lead to out of bound access in the gif_out_code function in fromgif.c in libsixel 1.8.6.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12libsixel1.10.3-1DEBIAN-CVE-2020-19668
Debian:13libsixel1.10.3-1DEBIAN-CVE-2020-19668
Debian:14libsixel1.10.3-1DEBIAN-CVE-2020-19668
Ubuntu:22.04:LTSlibsixelno fix listedUBUNTU-CVE-2020-19668
Ubuntu:24.04:LTSlibsixelno fix listedUBUNTU-CVE-2020-19668
Ubuntu:25.10libsixelno fix listedUBUNTU-CVE-2020-19668
Ubuntu:26.04:LTSlibsixelno fix listedUBUNTU-CVE-2020-19668
Ubuntu:26.10libsixelno fix listedUBUNTU-CVE-2020-19668

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References