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?
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