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HIGH

CVE-2019-20140

CVSS v3

8.8

HIGH

EPSS Score

1.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An issue was discovered in libsixel 1.8.4. There is a heap-based buffer overflow in the function gif_out_code at fromgif.c.

Technical details

Published
2019-12-30

Frequently asked questions

What is CVE-2019-20140?

An issue was discovered in libsixel 1.8.4. There is a heap-based buffer overflow in the function gif_out_code at fromgif.c.

Is CVE-2019-20140 actively exploited?

Active exploitation of CVE-2019-20140 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-20140?

CVE-2019-20140 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2019-20140 affecting your environment?

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

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