CVE-2009-1682

CVE-2009-1682 is a medium-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-255.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.3)
• EPSS exploit prediction: 1% (61st percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-255
• Affected product: Apple Safari
• Published: 2009-06-10
• Last modified: 2026-06-16

Description

Apple Safari before 4.0 does not properly check for revoked Extended Validation (EV) certificates, which makes it easier for remote attackers to trick a user into accepting an invalid certificate.

Frequently asked questions

What is CVE-2009-1682?

Apple Safari before 4.0 does not properly check for revoked Extended Validation (EV) certificates, which makes it easier for remote attackers to trick a user into accepting an invalid certificate.

How severe is CVE-2009-1682?

CVE-2009-1682 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-1682 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1682?

CVE-2009-1682 primarily affects Apple Safari. In total, 34 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-1682?

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

When was CVE-2009-1682 published?

CVE-2009-1682 was published on 2009-06-10 and last updated on 2026-06-16.

References

• http://lists.apple.com/archives/security-announce/2009/jun/msg00002.html
• http://osvdb.org/54982
• http://secunia.com/advisories/35379
• http://support.apple.com/kb/HT3613
• http://www.securityfocus.com/bid/35260
• http://www.securityfocus.com/bid/35353
• http://www.securitytracker.com/id?1022346
• http://www.vupen.com/english/advisories/2009/1522

Affected products (34)

• cpe:2.3:a:apple:safari:*:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:0.8:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:0.9:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.0:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.0.3:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.1:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.2:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.3:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.3.1:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:1.3.2:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.2:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:2.0.4:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.2:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.3:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.4:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.1:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.1.1:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.1.2:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.2.1:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.2.3:-:mac:*:*:*:*:*
• cpe:2.3:a:apple:safari:*:-:windows:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0:-:windows:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.1:-:windows:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.2:-:windows:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.3:-:windows:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.0.4:-:windows:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.1:-:windows:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.1.1:-:windows:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.1.2:-:windows:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.2:-:windows:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.2.1:-:windows:*:*:*:*:*
• cpe:2.3:a:apple:safari:3.2.2:-:windows:*:*:*:*:*

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