CVE-2009-1708

CVE-2009-1708 is a critical-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Apple Safari before 4.0 does not prevent calls to the open-help-anchor URL handler by web sites, which allows remote attackers to open arbitrary local help files, and execute arbitrary code or obtain sensitive information, via a crafted call.

Frequently asked questions

What is CVE-2009-1708?
Apple Safari before 4.0 does not prevent calls to the open-help-anchor URL handler by web sites, which allows remote attackers to open arbitrary local help files, and execute arbitrary code or obtain sensitive information, via a crafted call.
How severe is CVE-2009-1708?
CVE-2009-1708 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-1708 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1708?
CVE-2009-1708 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-2009-1708?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-1708 published?
CVE-2009-1708 was published on 2009-06-10 and last updated on 2026-06-16.

References

Affected products (34)

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