What is CVE-2013-1689?

CVE-2013-1689 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-12-10.

How severe is CVE-2013-1689?

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

Improper input validation in Mozilla Firefox

CVE-2013-1689

Mozilla Firefox 20.0a1 and earlier allows remote attackers to cause a denial of service (crash), related to event handling with frames.

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

Published 2019-12-10 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Mozilla Firefox — versions 20.0, 20.0a1

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security-tracker.debian.org/tracker/CVE-2013-1689 (Third Party Advisory)
bugzilla.mozilla.org/show_bug.cgi (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2013-1689?: CVE-2013-1689 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-12-10.
How severe is CVE-2013-1689?: Medium severity. CVSS v3 base score is 6.5 out of 10.