CVE-2010-4091

CVE-2010-4091 is a critical-severity vulnerability in Adobe Acrobat Reader with a CVSS 2.0 base score of 9.3. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

• Severity: Critical (CVSS 2.0 base score 9.3)
• EPSS exploit prediction: 19% (97th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-119
• Affected product: Adobe Acrobat Reader
• Published: 2010-11-07
• Last modified: 2026-06-16

Description

The EScript.api plugin in Adobe Reader and Acrobat 10.x before 10.0.1, 9.x before 9.4.1, and 8.x before 8.2.6 on Windows and Mac OS X allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted PDF document that triggers memory corruption, involving the printSeps function. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2010-4091?

The EScript.api plugin in Adobe Reader and Acrobat 10.x before 10.0.1, 9.x before 9.4.1, and 8.x before 8.2.6 on Windows and Mac OS X allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted PDF document that triggers memory corruption, involving the printSeps function. NOTE: some of these details are obtained from third party information.

How severe is CVE-2010-4091?

CVE-2010-4091 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2010-4091 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4091?

CVE-2010-4091 primarily affects Adobe Acrobat Reader. In total, 53 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-4091?

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-2010-4091 published?

CVE-2010-4091 was published on 2010-11-07 and last updated on 2026-06-16.

References

• http://archives.neohapsis.com/archives/fulldisclosure/2010-11/0024.html
• http://blogs.adobe.com/psirt/2010/11/potential-issue-in-adobe-reader.html
• http://extraexploit.blogspot.com/2010/11/full-disclosure-xplpdf-adober-reader-94.html
• http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00001.html
• http://osvdb.org/69005
• http://secunia.com/advisories/42095
• http://secunia.com/advisories/42401
• http://secunia.com/advisories/43025
• http://security.gentoo.org/glsa/glsa-201101-08.xml
• http://www.adobe.com/support/security/bulletins/apsb10-28.html
• http://www.adobe.com/support/security/bulletins/apsb11-03.html
• http://www.exploit-db.com/exploits/15419
• http://www.redhat.com/support/errata/RHSA-2010-0934.html
• http://www.securityfocus.com/bid/44638
• http://www.securitytracker.com/id?1024684
• http://www.securitytracker.com/id?1025033
• http://www.vupen.com/english/advisories/2010/2890
• http://www.vupen.com/english/advisories/2010/3111
• http://www.vupen.com/english/advisories/2011/0191
• http://www.vupen.com/english/advisories/2011/0337
• https://exchange.xforce.ibmcloud.com/vulnerabilities/62996
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12527

Affected products (53)

• 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:8.1.4:*:*:*:*:*:*:*
• 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: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:10.0:*:*:*:*:*:*:*
• 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:8.1.5:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.1.7:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.2:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:adobe:acrobat:8.2.4:*:*:*:*:*:*:*

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