CVE-2009-2979 Denial of service in n/a

What is CVE-2009-2979?

CVE-2009-2979 is a medium-severity denial of service vulnerability in Adobe Acrobat, published on 19 Oct 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

Adobe Reader and Acrobat 9.x before 9.2, 8.x before 8.1.7, and possibly 7.x through 7.1.4 do not properly perform XMP-XML entity expansion, which allows remote attackers to cause a denial of service via a crafted document.

Which versions are affected by CVE-2009-2979?

It affects 2 products.

Products include Adobe Acrobat, Adobe Acrobat Reader.

How do I fix CVE-2009-2979?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2009-2979 being exploited?

There is no known exploitation of CVE-2009-2979 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-j7rw-94xq-mrc3.