What is CVE-2016-7505?

CVE-2016-7505 is a critical-severity vulnerability in Artifex Mujs, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-10-29.

How severe is CVE-2016-7505?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Artifex Mujs

CVE-2016-7505

A buffer overflow vulnerability was observed in divby function of Artifex Software, Inc. MuJS before 8c805b4eb19cf2af689c860b77e6111d2ee439d5. A successful exploitation of this issue can lead to code execution or denial of service condition.

Vulnerability class: Buffer Overflow

Published 2016-10-29 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.030 (87.0th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000

Affected products

Artifex Mujs

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

www.securityfocus.com/bid/94231 (VDB Entry, Third Party Advisory, vdb-entry)
bugs.ghostscript.com/show_bug.cgi (Exploit, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2016-7505?: CVE-2016-7505 is a critical-severity vulnerability in Artifex Mujs, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-10-29.
How severe is CVE-2016-7505?: Critical severity. CVSS v3 base score is 9.8 out of 10.