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.
EPSS: 0.012 (65.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Mozilla Firefox
- N/a — versions n/a
Weakness classification (CWE)
References
- security@mozilla.org (vdb-entry, x_refsource_SECTRACK)
- security@mozilla.org (Permissions Required, x_refsource_CONFIRM, Issue Tracking)
- security@mozilla.org (x_refsource_UBUNTU, vendor-advisory)
- security@mozilla.org (vdb-entry, x_refsource_BID)
- security@mozilla.org (vendor-advisory, x_refsource_GENTOO)
- security@mozilla.org (vendor-advisory, x_refsource_SUSE)
- security@mozilla.org (vendor-advisory, x_refsource_SUSE)
- security@mozilla.org (x_refsource_CONFIRM, 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.