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Ubuntu 14.04 ESM USN-5638-4 Moderate Expat Code Execution Threat

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Calendar Grey February 28, 2023
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Security flaws in Ubuntu 14.04 ESM expose expats to risks necessitating patches to avert system failures or unauthorized code execution.
Expat could be made to crash or execute arbitrary code.

Summary

Expat could be made to crash or execute arbitrary code.

Software Description:

- expat: XML parsing C library

Details:

USN-5638-1 fixed several vulnerabilities in Expat. This update provides

the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

Rhodri James discovered that Expat incorrectly handled memory when

processing certain malformed XML files. An attacker could possibly

use this issue to cause a crash or execute arbitrary code.

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 ESM:
  expat                           2.1.0-4ubuntu1.4+esm7
  libexpat1                       2.1.0-4ubuntu1.4+esm7

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5638-4

https://ubuntu.com/security/notices/USN-5638-1

CVE-2022-40674, CVE-2022-43680

February 28, 2023

Package Information

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