CVE-2011-0980 Use after free in n/a

What is CVE-2011-0980?

CVE-2011-0980 is a critical use after free vulnerability in Microsoft Excel, published on 10 Feb 2011. 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

Microsoft Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac do not properly parse Office Art objects, which allows remote attackers to execute arbitrary code via vectors related to a function pointer, aka "Excel Dangling Pointer Vulnerability."

Weakness: CWE-264

Which versions are affected by CVE-2011-0980?

It affects 3 products.

Products include Microsoft Excel, Microsoft Office, Microsoft Open Xml File Format Converter.

How do I fix CVE-2011-0980?

No fix has been published for CVE-2011-0980 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2011-0980 being exploited?

There is no known exploitation of CVE-2011-0980 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Excel

• CVE-2019-1297 Microsoft Excel Remote Code Execution Exploited High 8.8
• CVE-2009-0238 Microsoft Office Remote Code Execution Exploited High 8.8
• CVE-2016-7262 Microsoft Office Security Feature Bypass Exploited High 7.8
• CVE-2009-3129 Microsoft Excel Featheader Record Memory Corruption Exploited High 7.8
• CVE-2008-0081 Code injection in n/a Critical 9.8

All Microsoft Excel vulnerabilities

Sources

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

Also known as GHSA-wx94-688q-j9x8.