How severe is CVE-2009-0137?

CVE-2009-0137 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2009-0137 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0137?

CVE-2009-0137 affects Apple Safari. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-0137?

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-2009-0137 published?

CVE-2009-0137 was published on 2009-02-13 and last updated on 2026-06-16.

CVE-2009-0137

CVE-2009-0137 is a critical-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 10.0. 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-20.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apple Safari
Published: 2009-02-13
Last modified: 2026-06-16

Description

Multiple unspecified vulnerabilities in Safari RSS in Apple Mac OS X 10.4.11 and 10.5.6, and Windows XP and Vista, allow remote attackers to execute arbitrary JavaScript in the local security zone via a crafted feed: URL, related to "input validation issues."

Frequently asked questions

What is CVE-2009-0137?: Multiple unspecified vulnerabilities in Safari RSS in Apple Mac OS X 10.4.11 and 10.5.6, and Windows XP and Vista, allow remote attackers to execute arbitrary JavaScript in the local security zone via a crafted feed: URL, related to "input validation issues."
How severe is CVE-2009-0137?: CVE-2009-0137 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2009-0137 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0137?: CVE-2009-0137 affects Apple Safari. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-0137?: 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-2009-0137 published?: CVE-2009-0137 was published on 2009-02-13 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*

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