How severe is CVE-2011-2435?

CVE-2011-2435 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2011-2435 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-2011-2435?

CVE-2011-2435 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-2011-2435?

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-2011-2435 published?

CVE-2011-2435 was published on 2011-09-15 and last updated on 2026-06-16.

CVE-2011-2435

CVE-2011-2435 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-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Adobe Acrobat Reader
Published: 2011-09-15
Last modified: 2026-06-16

Description

Buffer overflow in Adobe Reader and Acrobat 8.x before 8.3.1, 9.x before 9.4.6, and 10.x before 10.1.1 allows attackers to execute arbitrary code via unspecified vectors.

Frequently asked questions

What is CVE-2011-2435?: Buffer overflow in Adobe Reader and Acrobat 8.x before 8.3.1, 9.x before 9.4.6, and 10.x before 10.1.1 allows attackers to execute arbitrary code via unspecified vectors.
How severe is CVE-2011-2435?: CVE-2011-2435 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2011-2435 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-2011-2435?: CVE-2011-2435 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-2011-2435?: 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-2011-2435 published?: CVE-2011-2435 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:*:*:*:*:*:*:*

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