Vulnerability in Mozilla Firefox
CVE-2016-5268
Mozilla Firefox before 48.0 does not properly set the LINKABLE and URI_SAFE_FOR_UNTRUSTED_CONTENT flags of about: URLs that are used for error pages, which makes it easier for remote attackers to conduct spoofing attacks via a crafted URL, as demonstrated by misleading text after an about:neterror?d= substring.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.012 (67.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.securitytracker.com/id/1036508 (vdb-entry)
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking)
- www.ubuntu.com/usn/USN-3044-1 (vendor-advisory)
- 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)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html (vendor-advisory)
- www.mozilla.org/security/announce/2016/mfsa2016-83.html (Vendor Advisory)
Frequently asked questions
- What is CVE-2016-5268?
- CVE-2016-5268 is a medium-severity vulnerability in Mozilla Firefox, classified under CWE-254. CVSS score: 4.3/10. Published 2016-08-05.
- How severe is CVE-2016-5268?
- Medium severity. CVSS v3 base score is 4.3 out of 10.