Out-of-bounds Read in Saitoha Libsixel

CVE-2018-19763

There is a heap-based buffer over-read at writer.c (function: write_png_to_file) in libsixel 1.8.2 that will cause a denial of service.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (48.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Saitoha Libsixel — versions 1.8.2
N/a — versions n/a

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

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

Frequently asked questions

What is CVE-2018-19763?: CVE-2018-19763 is a medium-severity vulnerability in Saitoha Libsixel, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2018-11-30.
How severe is CVE-2018-19763?: Medium severity. CVSS v3 base score is 5.5 out of 10.