Improper input validation in Mozilla Firefox
CVE-2018-12401
Some special resource URIs will cause a non-exploitable crash if loaded with optional parameters following a '?' in the parsed string. This could lead to denial of service (DOS) attacks. This vulnerability affects Firefox < 63.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.023 (81.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Mozilla Firefox — versions unspecified
- Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
Weakness classification (CWE)
References
- security@mozilla.org (x_refsource_CONFIRM, Vendor Advisory)
- security@mozilla.org (Vendor Advisory, Permissions Required, x_refsource_CONFIRM, Issue Tracking)
- security@mozilla.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- security@mozilla.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@mozilla.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2018-12401?
- CVE-2018-12401 is a high-severity vulnerability in Mozilla Firefox, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-02-28.
- How severe is CVE-2018-12401?
- High severity. CVSS v3 base score is 7.5 out of 10.