Buffer overflow in Graphicsmagick

CVE-2017-11643

GraphicsMagick 1.3.26 has a heap overflow in the WriteCMYKImage() function in coders/cmyk.c when processing multiple frames that have non-identical widths.

Vulnerability class: Buffer Overflow

EPSS: 0.022 (80.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/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-2017-11643?
CVE-2017-11643 is a critical-severity vulnerability in Graphicsmagick, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2017-07-26.
How severe is CVE-2017-11643?
Critical severity. CVSS v3 base score is 9.8 out of 10.