CVE-2009-1856 Integer overflow in n/a

What is CVE-2009-1856?

CVE-2009-1856 is a critical vulnerability in Adobe Acrobat, published on 11 Jun 2009. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-189

Which versions are affected by CVE-2009-1856?

It affects 2 products.

Products include Adobe Acrobat, Adobe Acrobat Reader.

How do I fix CVE-2009-1856?

Upgrade to a fixed version.

Is CVE-2009-1856 being exploited?

There is no known exploitation of CVE-2009-1856 in the wild and no public exploit code.

Other vulnerabilities in Adobe Acrobat

• CVE-2021-28550 Adobe Acrobat and Reader Use-After-Free Exploited Critical 9.6
• CVE-2021-21017 Adobe Acrobat and Reader Heap-based Buffer Overflow Exploited High 8.8
• CVE-2014-0546 Adobe Reader and Acrobat Sandbox Bypass Exploited High 8.8
• CVE-2014-0496 Adobe Reader and Acrobat Use-After-Free Exploited High 8.8
• CVE-2013-3346 Adobe Reader and Acrobat Memory Corruption Exploited High 8.8

All Adobe Acrobat vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-888m-whhh-898w.