Improper input validation in Mozilla Firefox
CVE-2016-5291
A same-origin policy bypass with local shortcut files to load arbitrary local content from disk. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (36.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Thunderbird — versions unspecified
- Debian Linux — versions 8.0
Weakness classification (CWE)
References
- www.debian.org/security/2016/dsa-3730 (vendor-advisory, Third Party Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Exploit, Issue Tracking, Vendor Advisory)
- www.securitytracker.com/id/1037298 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201701-15 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/94336 (VDB Entry, Third Party Advisory, vdb-entry)
- www.mozilla.org/security/advisories/mfsa2016-93/ (Vendor Advisory)
- rhn.redhat.com/errata/RHSA-2016-2780.html (vendor-advisory, Third Party Advisory)
- www.mozilla.org/security/advisories/mfsa2016-89/ (Vendor Advisory)
- www.mozilla.org/security/advisories/mfsa2016-90/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2016-5291?
- CVE-2016-5291 is a medium-severity vulnerability in Mozilla Firefox, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2018-06-11.
- How severe is CVE-2016-5291?
- Medium severity. CVSS v3 base score is 5.5 out of 10.