Buffer overflow in Saitoha Libsixel

CVE-2019-19635

An issue was discovered in libsixel 1.8.2. There is a heap-based buffer overflow in the function sixel_decode_raw_impl at fromsixel.c.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (65.0th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-19635?
CVE-2019-19635 is a critical-severity vulnerability in Saitoha Libsixel, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-12-08.
How severe is CVE-2019-19635?
Critical severity. CVSS v3 base score is 9.8 out of 10.