Out-of-bounds Read in Artifex Mupdf

CVE-2018-18662

There is an out-of-bounds read in fz_run_t3_glyph in fitz/font.c in Artifex MuPDF 1.14.0, as demonstrated by mutool.

Vulnerability class: Buffer Overflow

EPSS: 0.016 (73.4th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-18662?
CVE-2018-18662 is a medium-severity vulnerability in Artifex Mupdf, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2018-10-26.
How severe is CVE-2018-18662?
Medium severity. CVSS v3 base score is 5.5 out of 10.