Buffer overflow in Saitoha Libsixel

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.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Saitoha Libsixel — versions 1.8.4
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-20140?: CVE-2019-20140 is a high-severity vulnerability in Saitoha Libsixel, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2019-12-30.
How severe is CVE-2019-20140?: High severity. CVSS v3 base score is 8.8 out of 10.