What is CVE-2016-5292?

CVE-2016-5292 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2018-06-11.

How severe is CVE-2016-5292?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Mozilla Firefox

CVE-2016-5292

During URL parsing, a maliciously crafted URL can cause a potentially exploitable crash. This vulnerability affects Firefox < 50.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2018-06-11 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.015 (73.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Mozilla Firefox — versions unspecified

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.securityfocus.com/bid/94337 (VDB Entry, Third Party Advisory, vdb-entry)
bugzilla.mozilla.org/show_bug.cgi (Issue Tracking, Vendor Advisory)
www.securitytracker.com/id/1037298 (VDB Entry, Third Party Advisory, vdb-entry)
www.mozilla.org/security/advisories/mfsa2016-89/ (Vendor Advisory)

Frequently asked questions

What is CVE-2016-5292?: CVE-2016-5292 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2018-06-11.
How severe is CVE-2016-5292?: Medium severity. CVSS v3 base score is 6.5 out of 10.