What is CVE-2019-3574?

CVE-2019-3574 is a high-severity vulnerability in Saitoha Libsixel, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2019-01-02.

How severe is CVE-2019-3574?

High severity. CVSS v3 base score is 7.8 out of 10.

Out-of-bounds Read in Saitoha Libsixel

CVE-2019-3574

In libsixel v1.8.2, there is a heap-based buffer over-read in the function load_jpeg() in the file loader.c, as demonstrated by img2sixel.

Vulnerability class: Buffer Overflow

Published 2019-01-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (67.6th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

Saitoha Libsixel — versions 1.8.2

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

github.com/TeamSeri0us/pocs/tree/master/libsixel (Exploit, Third Party Advisory)
github.com/saitoha/libsixel/issues/83 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-3574?: CVE-2019-3574 is a high-severity vulnerability in Saitoha Libsixel, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2019-01-02.
How severe is CVE-2019-3574?: High severity. CVSS v3 base score is 7.8 out of 10.