CVE-2018-20548: Buffer Overflow
Published Dec 28, 2018
·Updated
Last updated 25 August 2025
Other sources
There is an illegal WRITE memory access at common-image.c (function loadimage) in libcaca 0.99.beta19 for 1bpp data.
— Launchpad
Affected Software
11 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
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
Patch Available
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
RemedyDescriptionSeverityWeaknessAffected 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-2018-20548?
CVE-2018-20548 is classified as a high severity vulnerability due to the potential for illegal memory write access.
2
How do I fix CVE-2018-20548?
To fix CVE-2018-20548, upgrade to libcaca versions 0.99.beta19-2.2, 0.99.beta20-3, or 0.99.beta20-5.
3
Which software is affected by CVE-2018-20548?
CVE-2018-20548 affects libcaca versions specifically 0.99.beta19 as well as certain versions of Ubuntu and Fedora.
4
What are the potential consequences of exploiting CVE-2018-20548?
Exploiting CVE-2018-20548 could lead to application crashes or potential unauthorized code execution.
5
Is CVE-2018-20548 remotely exploitable?
CVE-2018-20548 may potentially be exploited remotely depending on how libcaca is used in a specific application.