How severe is CVE-2011-2459?

CVE-2011-2459 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2011-2459 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2459?

CVE-2011-2459 primarily affects Adobe Flash Player. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2459?

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-2011-2459 published?

CVE-2011-2459 was published on 2011-11-11 and last updated on 2026-06-16.

CVE-2011-2459

CVE-2011-2459 is a critical-severity vulnerability in Adobe Flash Player 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-119.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Adobe Flash Player
Published: 2011-11-11
Last modified: 2026-06-16

Description

Adobe Flash Player before 10.3.183.11 and 11.x before 11.1.102.55 on Windows, Mac OS X, Linux, and Solaris and before 11.1.102.59 on Android, and Adobe AIR before 3.1.0.4880, allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2011-2445, CVE-2011-2451, CVE-2011-2452, CVE-2011-2453, CVE-2011-2454, CVE-2011-2455, and CVE-2011-2460.

Frequently asked questions

What is CVE-2011-2459?: Adobe Flash Player before 10.3.183.11 and 11.x before 11.1.102.55 on Windows, Mac OS X, Linux, and Solaris and before 11.1.102.59 on Android, and Adobe AIR before 3.1.0.4880, allows attackers to execute arbitrary code or cause a denial of service (memory corruption) via unspecified vectors, a different vulnerability than CVE-2011-2445, CVE-2011-2451, CVE-2011-2452, CVE-2011-2453, CVE-2011-2454, CVE-2011-2455, and CVE-2011-2460.
How severe is CVE-2011-2459?: CVE-2011-2459 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-2459 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2459?: CVE-2011-2459 primarily affects Adobe Flash Player. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2459?: 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-2011-2459 published?: CVE-2011-2459 was published on 2011-11-11 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:adobe_air:*:*:*:*:*:*:*:*

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