Every CVE Search/ Get API key

CVE-2009-1856

Integer overflow in Adobe Reader 7 and Acrobat 7 before 7.1.3, Adobe Reader 8 and Acrobat 8...

9.3 High

Integer overflow in Adobe Reader 7 and Acrobat 7 before 7.1.3, Adobe Reader 8 and Acrobat 8 before 8.1.6, and Adobe Reader 9 and Acrobat 9 before 9.1.2 allows attackers to cause a denial of service or possibly execute arbitrary code via a PDF file containing unspecified parameters to the FlateDecode filter, which triggers a heap-based buffer overflow.

Exploit likelihood

13.9%Up 7.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 9.3

Integer overflow in Adobe Reader 7 and Acrobat 7 before 7.1.3, Adobe Reader 8 and Acrobat 8 before 8.1.6, and Adobe Reader 9 and Acrobat 9 before 9.1.2 allows attackers to cause a denial of service or possibly execute arbitrary code via a PDF file containing unspecified parameters to the FlateDecode filter, which triggers a heap-based buffer overflow.

Record
CVE-2009-1856
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness
CWE-189
Updated
2026-11-02
CVE List No score

Integer overflow in Adobe Reader 7 and Acrobat 7 before 7.1.3, Adobe Reader 8 and Acrobat 8 before 8.1.6, and Adobe Reader 9 and Acrobat 9 before 9.1.2 allows attackers to cause a denial of service or possibly execute arbitrary code via a PDF file containing unspecified parameters to the FlateDecode filter, which triggers a heap-based buffer overflow.

Record
CVE-2009-1856
Updated
2026-11-02
EUVDEUVD-2009-1851 No score

Integer overflow in Adobe Reader 7 and Acrobat 7 before 7.1.3, Adobe Reader 8 and Acrobat 8 before 8.1.6, and Adobe Reader 9 and Acrobat 9 before 9.1.2 allows attackers to cause a denial of service or possibly execute arbitrary code via a PDF file containing unspecified parameters to the FlateDecode filter, which triggers a heap-based buffer overflow.

Record
EUVD-2009-1851
Updated
2026-11-03
GitHub AdvisoriesGHSA-888m-whhh-898w No score

Integer overflow in Adobe Reader 7 and Acrobat 7 before 7.1.3, Adobe Reader 8 and Acrobat 8...

Integer overflow in Adobe Reader 7 and Acrobat 7 before 7.1.3, Adobe Reader 8 and Acrobat 8 before 8.1.6, and Adobe Reader 9 and Acrobat 9 before 9.1.2 allows attackers to cause a denial of service or possibly execute arbitrary code via a PDF file containing unspecified parameters to the FlateDecode filter, which triggers a heap-based buffer overflow.

Record
GHSA-888m-whhh-898w
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
acroread
Red Hat:rhel_extras:3
From an advisory covering 14 CVEs
 before 0:8.1.6-1
0:8.1.6-1
acroread-plugin
Red Hat:rhel_extras:3
From an advisory covering 14 CVEs
 before 0:8.1.6-1
0:8.1.6-1
acroread
Red Hat:rhel_extras:4
From an advisory covering 14 CVEs
 before 0:8.1.6-1.el4
0:8.1.6-1.el4
acroread-plugin
Red Hat:rhel_extras:4
From an advisory covering 14 CVEs
 before 0:8.1.6-1.el4
0:8.1.6-1.el4
acroread
Red Hat:rhel_extras:5::client
From an advisory covering 14 CVEs
 before 0:8.1.6-2.el5
0:8.1.6-2.el5
acroread-plugin
Red Hat:rhel_extras:5::client
From an advisory covering 14 CVEs
 before 0:8.1.6-2.el5
0:8.1.6-2.el5
acroread
Red Hat:rhel_extras:5::server
From an advisory covering 14 CVEs
 before 0:8.1.6-2.el5
0:8.1.6-2.el5
acroread-plugin
Red Hat:rhel_extras:5::server
From an advisory covering 14 CVEs
 before 0:8.1.6-2.el5
0:8.1.6-2.el5

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-1856 is a high vulnerability (CVSS 9.3) in Adobe Acrobat, published June 11, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 13.9%, the 96th percentile. No source names a fixed version.

References

Show 58 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open