Skip to main content
HIGH

CVE-2018-20547

CVSS v3

8.1

HIGH

EPSS Score

1.8 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

There is an illegal READ memory access at caca/dither.c (function get_rgba_default) in libcaca 0.99.beta19 for 24bpp data.

Technical details

Published
2018-12-28

Frequently asked questions

What is CVE-2018-20547?

There is an illegal READ memory access at caca/dither.c (function get_rgba_default) in libcaca 0.99.beta19 for 24bpp data.

Is CVE-2018-20547 actively exploited?

Active exploitation of CVE-2018-20547 has not been confirmed. Its EPSS score was 1.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-20547?

CVE-2018-20547 has a CVSS v3 base score of 8.1 (HIGH severity).

Is CVE-2018-20547 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

No credit card required · 500 free checks/month · Free API key