Information disclosure in Mozilla Firefox
CVE-2016-9904
An attacker could use a JavaScript Map/Set timing attack to determine whether an atom is used by another compartment/zone in specific contexts. This could be used to leak information, such as usernames embedded in JavaScript code, across websites. This vulnerability affects Firefox < 50.1, Firefox ESR < 45.6, and Thunderbird < 45.6.
Vulnerability class: Information Disclosure
Published · last modified .
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:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.027 (85.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Mozilla Firefox — versions unspecified
- Mozilla Firefox Esr — versions unspecified
- Mozilla Thunderbird — versions unspecified
- Debian Linux — versions 8.0
- Red Hat Enterprise Linux Desktop — versions 5.0, 6.0, 7.0
- Red Hat Enterprise Linux Server — versions 5.0, 6.0, 7.0
- Red Hat Enterprise Linux Workstation — versions 5.0, 6.0, 7.0
Weakness classification (CWE)
References
- www.mozilla.org/security/advisories/mfsa2016-94/ (Vendor Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Patch, Issue Tracking)
- www.mozilla.org/security/advisories/mfsa2016-95/ (Vendor Advisory)
- www.securityfocus.com/bid/94885 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securitytracker.com/id/1037461 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201701-15 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2017/dsa-3757 (vendor-advisory, Third Party Advisory)
- www.mozilla.org/security/advisories/mfsa2016-96/ (Vendor Advisory)
- rhn.redhat.com/errata/RHSA-2016-2946.html (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-9904?
- CVE-2016-9904 is a high-severity vulnerability in Mozilla Firefox, classified under Information Disclosure. CVSS score: 7.5/10. Published 2018-06-11.
- How severe is CVE-2016-9904?
- High severity. CVSS v3 base score is 7.5 out of 10.