CVE-2009-2199

CVE-2009-2199 is a medium-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.8)
• EPSS exploit prediction: 3% (83rd percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Apple Safari
• Published: 2009-08-12
• Last modified: 2026-06-16

Description

Incomplete blacklist vulnerability in WebKit in Apple Safari before 4.0.3, as used on iPhone OS before 3.1, iPhone OS before 3.1.1 for iPod touch, and other platforms, allows remote attackers to spoof domain names in URLs, and possibly conduct phishing attacks, via unspecified homoglyphs.

Frequently asked questions

What is CVE-2009-2199?

Incomplete blacklist vulnerability in WebKit in Apple Safari before 4.0.3, as used on iPhone OS before 3.1, iPhone OS before 3.1.1 for iPod touch, and other platforms, allows remote attackers to spoof domain names in URLs, and possibly conduct phishing attacks, via unspecified homoglyphs.

How severe is CVE-2009-2199?

CVE-2009-2199 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2009-2199 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2199?

CVE-2009-2199 primarily affects Apple Safari. In total, 53 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-2199?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-2199 published?

CVE-2009-2199 was published on 2009-08-12 and last updated on 2026-06-16.

References

• http://lists.apple.com/archives/security-announce/2009/Aug/msg00002.html
• http://lists.apple.com/archives/security-announce/2009/Sep/msg00001.html
• http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
• http://secunia.com/advisories/36677
• http://secunia.com/advisories/43068
• http://support.apple.com/kb/HT3733
• http://support.apple.com/kb/HT3860
• http://www.securityfocus.com/bid/36026
• http://www.securitytracker.com/id?1022719
• http://www.vupen.com/english/advisories/2011/0212

Affected products (53)

• cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.3:417.8:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.3:417.9:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.3:417.9.2:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.3:417.9.3:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.0b:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.1:beta:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.1b:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.2b:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.3b:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.4b:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.1.0b:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:4.0:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:4.0.0b:*:*:*:*:*:*:*
• cpe:2.3:a:apple:safari:4.0.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.0.0:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.1.0:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.1.1:*:*:*:*:*:*:*
• cpe:2.3:o:apple:iphone_os:1.1.2:*:*:*:*:*:*:*

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