What’s Vulnerable › Vulnerabilities

CVE-2016-5282

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-09-22 · updated 2026-06-17
• Weakness: CWE-200

Description

Mozilla Firefox before 49.0 does not properly restrict the scheme in favicon requests, which might allow remote attackers to obtain sensitive information via unspecified vectors, as demonstrated by a jar: URL for a favicon resource.

Affected products

• Mozilla Firefox: through 48.0.2

References

• http://www.mozilla.org/security/announce/2016/mfsa2016-85.html
• http://www.securityfocus.com/bid/93052
• http://www.securitytracker.com/id/1036852
• https://bugzilla.mozilla.org/show_bug.cgi?id=932335
• https://security.gentoo.org/glsa/201701-15
• http://www.mozilla.org/security/announce/2016/mfsa2016-85.html
• http://www.securityfocus.com/bid/93052
• http://www.securitytracker.com/id/1036852
• https://bugzilla.mozilla.org/show_bug.cgi?id=932335
• https://security.gentoo.org/glsa/201701-15

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