What is CVE-2010-4091?

CVE-2010-4091 is a vulnerability in Adobe Acrobat, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2010-11-07.

Is CVE-2010-4091 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Adobe Acrobat

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.

Vulnerability class: Buffer Overflow

Published 2010-11-07 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.185 (97.2th percentile), scored 2026-10-03.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.185 · newest: 0.185 · change: 0.000

Affected products

Adobe Acrobat — versions 8.1.7, 8.2.4, 9.3.2
Adobe Acrobat Reader — versions 8.1.7, 8.2.4, 9.3.2
Apple Mac OS X
Microsoft Windows

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

References

secunia.com/advisories/42095 (Vendor Advisory, third-party-advisory)
osvdb.org/69005 (vdb-entry)
www.vupen.com/english/advisories/2011/0191 (vdb-entry, Vendor Advisory)
secunia.com/advisories/43025 (Vendor Advisory, third-party-advisory)
blogs.adobe.com/psirt/2010/11/potential-issue-in-adobe-reader.html
www.vupen.com/english/advisories/2010/3111 (vdb-entry, Vendor Advisory)
www.vupen.com/english/advisories/2010/2890 (vdb-entry, Vendor Advisory)
security.gentoo.org/glsa/glsa-201101-08.xml (vendor-advisory)
www.securityfocus.com/bid/44638 (vdb-entry)
www.redhat.com/support/errata/RHSA-2010-0934.html (vendor-advisory)

Frequently asked questions

What is CVE-2010-4091?: CVE-2010-4091 is a vulnerability in Adobe Acrobat, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2010-11-07.
Is CVE-2010-4091 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.