Integer overflow in Saitoha Libsixel

CVE-2019-19636

An issue was discovered in libsixel 1.8.2. There is an integer overflow in the function sixel_encode_body at tosixel.c.

Vulnerability class: Integer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (68.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2019-19636: held from 0.012 to 0.012.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-19636?
CVE-2019-19636 is a critical-severity vulnerability in Saitoha Libsixel, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2019-12-08.
How severe is CVE-2019-19636?
Critical severity. CVSS v3 base score is 9.8 out of 10.