How severe is CVE-2011-2809?

CVE-2011-2809 has a CVSS 2.0 base score of 7.6, rated high severity.

Is CVE-2011-2809 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-2011-2809?

CVE-2011-2809 primarily affects Apple Itunes. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2809?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2011-2809 published?

CVE-2011-2809 was published on 2011-10-12 and last updated on 2026-06-16.

CVE-2011-2809

CVE-2011-2809 is a high-severity vulnerability in Apple Itunes with a CVSS 2.0 base score of 7.6. 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-119.

Key facts

Severity: High (CVSS 2.0 base score 7.6)
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Apple Itunes
Published: 2011-10-12
Last modified: 2026-06-16

Description

WebKit, as used in Apple iTunes before 10.5, allows man-in-the-middle attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via vectors related to iTunes Store browsing, a different vulnerability than other CVEs listed in APPLE-SA-2011-10-11-1.

Frequently asked questions

What is CVE-2011-2809?: WebKit, as used in Apple iTunes before 10.5, allows man-in-the-middle attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via vectors related to iTunes Store browsing, a different vulnerability than other CVEs listed in APPLE-SA-2011-10-11-1.
How severe is CVE-2011-2809?: CVE-2011-2809 has a CVSS 2.0 base score of 7.6, rated high severity.
Is CVE-2011-2809 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-2011-2809?: CVE-2011-2809 primarily affects Apple Itunes. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2809?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-2809 published?: CVE-2011-2809 was published on 2011-10-12 and last updated on 2026-06-16.

References

Affected products (59)

cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.5.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.6.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.7.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.8.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:4.9.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:6.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:6.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:6.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:6.0.3:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:6.0.4:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:6.0.5:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.0.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.2.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.3.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.3.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.3.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.4.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.4.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.4.3:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.5.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.6.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.6.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.6.2:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.7.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:7.7.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:itunes:8.0.0:*:*:*:*:*:*:*

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