CVE-2018-20545: Integer 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 4bpp 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

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-2018-20545?

CVE-2018-20545 has a medium severity level due to its potential for causing illegal memory access.

2

How do I fix CVE-2018-20545?

To fix CVE-2018-20545, upgrade libcaca to version 0.99.beta19-2.2 or later, or an equivalent patch.

3

Which versions of libcaca are affected by CVE-2018-20545?

Versions of libcaca before 0.99.beta19-2.2 are affected by CVE-2018-20545.

4

What impact does CVE-2018-20545 have on systems?

CVE-2018-20545 may lead to application crashes due to illegal write memory access.

5

Are there specific distributions vulnerable to CVE-2018-20545?

Yes, various distributions like Ubuntu 12.04, 14.04, 16.04, 18.04, Fedora 34-36, and openSUSE Leap 15.0 are vulnerable to CVE-2018-20545.

Contact

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