How severe is CVE-2011-2439?

CVE-2011-2439 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2011-2439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2439?

CVE-2011-2439 primarily affects Adobe Acrobat Reader. In total, 74 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2439?

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-2011-2439 published?

CVE-2011-2439 was published on 2011-09-15 and last updated on 2026-06-16.

CVE-2011-2439

CVE-2011-2439 is a critical-severity vulnerability in Adobe Acrobat Reader 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. The underlying weakness is classified as CWE-399.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Adobe Acrobat Reader
Published: 2011-09-15
Last modified: 2026-06-16

Description

Adobe Reader and Acrobat 8.x before 8.3.1, 9.x before 9.4.6, and 10.x before 10.1.1 allow attackers to execute arbitrary code via unspecified vectors, related to a "memory leakage condition vulnerability."

Frequently asked questions

What is CVE-2011-2439?: Adobe Reader and Acrobat 8.x before 8.3.1, 9.x before 9.4.6, and 10.x before 10.1.1 allow attackers to execute arbitrary code via unspecified vectors, related to a "memory leakage condition vulnerability."
How severe is CVE-2011-2439?: CVE-2011-2439 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-2439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2439?: CVE-2011-2439 primarily affects Adobe Acrobat Reader. In total, 74 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2439?: 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-2011-2439 published?: CVE-2011-2439 was published on 2011-09-15 and last updated on 2026-06-16.

References

Affected products (74)

cpe:2.3:a:adobe:acrobat_reader:8.0:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.1.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.1.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.1.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.1.4:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.1.5:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.1.6:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.1.7:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.2.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.2.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.2.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.2.4:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.2.6:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.0:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.1.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.1.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.1.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.3.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.3.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.3.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.3.4:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.4:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.4.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.4.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.4.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:9.4.4:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:10.0:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:10.0.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:10.0.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:10.0.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:8.0:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:8.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:8.1.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:8.1.2:*:*:*:*:*:*:*

Other CWE-399 (Resource Management Errors) vulnerabilities

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CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

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