How severe is CVE-2009-2991?

CVE-2009-2991 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2009-2991 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2991?

CVE-2009-2991 primarily affects Adobe Acrobat. In total, 50 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-2991?

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-2009-2991 published?

CVE-2009-2991 was published on 2009-10-19 and last updated on 2026-06-16.

CVE-2009-2991

CVE-2009-2991 is a critical-severity vulnerability in Adobe Acrobat 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.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Adobe Acrobat
Published: 2009-10-19
Last modified: 2026-06-16

Description

Unspecified vulnerability in the Mozilla plug-in in Adobe Reader and Acrobat 8.x before 8.1.7, and possibly 7.x before 7.1.4 and 9.x before 9.2, might allow remote attackers to execute arbitrary code via unknown vectors.

Frequently asked questions

What is CVE-2009-2991?: Unspecified vulnerability in the Mozilla plug-in in Adobe Reader and Acrobat 8.x before 8.1.7, and possibly 7.x before 7.1.4 and 9.x before 9.2, might allow remote attackers to execute arbitrary code via unknown vectors.
How severe is CVE-2009-2991?: CVE-2009-2991 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-2991 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2991?: CVE-2009-2991 primarily affects Adobe Acrobat. In total, 50 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2991?: 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-2009-2991 published?: CVE-2009-2991 was published on 2009-10-19 and last updated on 2026-06-16.

References

Affected products (50)

cpe:2.3:a:adobe:acrobat:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:7.0:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:7.0.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:7.0.4:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:7.0.5:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:7.0.6:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:7.0.7:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:7.0.8:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:7.0.9:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:7.1.3:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:8.1.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:8.1.4:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:8.1.6:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:9.0:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:9.1.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat:9.1.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:*:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:7.0:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:7.0.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:7.0.2:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:7.0.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:7.0.4:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:7.0.5:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:7.0.6:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:7.0.7:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:7.0.8:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:7.0.9:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:7.1.0:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:7.1.1:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:7.1.3:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.0:*:*:*:*:*:*:*
cpe:2.3:a:adobe:acrobat_reader:8.1:*:*:*:*:*:*:*

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