Out-of-bounds Read in Imagemagick

CVE-2018-11251

In ImageMagick 7.0.7-23 Q16 x86_64 2018-01-24, there is a heap-based buffer over-read in ReadSUNImage in coders/sun.c, which allows attackers to cause a denial of service (application crash in SetGrayscaleImage in MagickCore/quantize.c) via a crafted SUN image file.

Vulnerability class: Buffer Overflow

EPSS: 0.021 (80.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-11251?
CVE-2018-11251 is a medium-severity vulnerability in Imagemagick, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-05-18.
How severe is CVE-2018-11251?
Medium severity. CVSS v3 base score is 6.5 out of 10.