Use After Free in Mozilla Firefox
CVE-2016-5255
Use-after-free vulnerability in the js::PreliminaryObjectArray::sweep function in Mozilla Firefox before 48.0 allows remote attackers to execute arbitrary code via crafted JavaScript that is mishandled during incremental garbage collection.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securitytracker.com/id/1036508 (vdb-entry)
- www.ubuntu.com/usn/USN-3044-1 (vendor-advisory)
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking)
- www.securityfocus.com/bid/92260 (vdb-entry)
- security.gentoo.org/glsa/201701-15 (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html (vendor-advisory)
- www.mozilla.org/security/announce/2016/mfsa2016-71.html (Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html (vendor-advisory)
Frequently asked questions
- What is CVE-2016-5255?
- CVE-2016-5255 is a high-severity vulnerability in Mozilla Firefox, classified under Use After Free. CVSS score: 8.8/10. Published 2016-08-05.
- How severe is CVE-2016-5255?
- High severity. CVSS v3 base score is 8.8 out of 10.