What’s Vulnerable › Vulnerabilities

CVE-2016-5251

• Severity: medium (CVSS 4.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-08-05 · updated 2026-06-17
• Weakness: CWE-20

Description

Mozilla Firefox before 48.0 allows remote attackers to spoof the location bar via crafted characters in the media type of a data: URL.

Affected products

• Mozilla Firefox: through 47.0.1

References

• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
• http://www.mozilla.org/security/announce/2016/mfsa2016-66.html
• http://www.securityfocus.com/bid/92260
• http://www.securitytracker.com/id/1036508
• http://www.ubuntu.com/usn/USN-3044-1
• https://bugzilla.mozilla.org/show_bug.cgi?id=1255570
• https://security.gentoo.org/glsa/201701-15
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00029.html
• http://www.mozilla.org/security/announce/2016/mfsa2016-66.html
• http://www.securityfocus.com/bid/92260

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