What’s Vulnerable › Vulnerabilities

CVE-2018-18662

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-10-26 · updated 2026-06-17
• Weakness: CWE-125

Description

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.

Affected products

• Artifex MuPDF: 1.14.0

References

• http://www.securityfocus.com/bid/105755
• https://bugs.ghostscript.com/show_bug.cgi?id=700043
• https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=164ddc22ee0d5b63a81d5148f44c37dd132a9356
• https://github.com/TeamSeri0us/pocs/tree/master/mupdf
• https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html
• http://www.securityfocus.com/bid/105755
• https://bugs.ghostscript.com/show_bug.cgi?id=700043
• https://github.com/TeamSeri0us/pocs/tree/master/mupdf
• https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html

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