CVE-2018-20549: Buffer Overflow
Published Dec 28, 2018
·Updated
Last updated 25 August 2025
Other sources
There is an illegal WRITE memory access at caca/file.c (function cacafileread) in libcaca 0.99.beta19.
— Launchpad
Affected Software
12 affected componentsFixes available
Libcaca Project Libcaca=0.99-beta19
Canonical Ubuntu Linux=12.04
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=18.10
Debian Debian Linux=8.0
Fedoraproject Fedora=34
Fedoraproject Fedora=35
Fedoraproject Fedora=36
openSUSE Leap=15.0
debian/libcaca
0.99.beta19-2.20.99.beta19-2.2+deb11u10.99.beta20-30.99.beta20-50.99.beta20-6
Remediation
Event History
Dec 28, 2018
CVE Published
via MITRE·03:00 AM
Data Sourced
via MITRE·03:00 AM
Description
Data Sourced
via NVD·04:29 PM
DescriptionSeverityWeaknessAffected Software
Feb 20, 2026
Data Sourced
via Ubuntu·07:06 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Launchpad·07:06 PM
Description
Data Sourced
via Debian·07:07 PM
DescriptionAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2018-20549?
CVE-2018-20549 is classified as a high-severity vulnerability due to illegal WRITE memory access.
2
How do I fix CVE-2018-20549?
To fix CVE-2018-20549, upgrade to libcaca version 0.99.beta19-2.2 or higher.
3
Which software versions are affected by CVE-2018-20549?
CVE-2018-20549 affects libcaca version 0.99.beta19 and multiple versions in various Linux distributions.
4
What type of vulnerability is CVE-2018-20549?
CVE-2018-20549 is an illegal WRITE memory access vulnerability.
5
Which operating systems are impacted by CVE-2018-20549?
CVE-2018-20549 impacts various distributions, including Ubuntu, Debian, and Fedora.