Ubuntu 5638-2: Expat vulnerabilities | LinuxSecurity.com
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Ubuntu Security Notice USN-5638-2
November 17, 2022

expat vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Expat could be made to crash or execute arbitrary code.

Software Description:
- expat: XML parsing C library

Details:

USN-5638-1 fixed a vulnerability in Expat. This update provides
the corresponding updates for Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and
Ubuntu 22.04 LTS.

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 22.04 LTS:
   expat                           2.4.7-1ubuntu0.1
   libexpat1                       2.4.7-1ubuntu0.1

Ubuntu 20.04 LTS:
   expat                           2.2.9-1ubuntu0.5
   libexpat1                       2.2.9-1ubuntu0.5

Ubuntu 18.04 LTS:
   expat                           2.2.5-3ubuntu0.8
   libexpat1                       2.2.5-3ubuntu0.8

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

References:
   https://ubuntu.com/security/notices/USN-5638-2
   https://ubuntu.com/security/notices/USN-5638-1
   CVE-2022-40674, CVE-2022-43680

Package Information:
   https://launchpad.net/ubuntu/+source/expat/2.4.7-1ubuntu0.1
   https://launchpad.net/ubuntu/+source/expat/2.2.9-1ubuntu0.5
   https://launchpad.net/ubuntu/+source/expat/2.2.5-3ubuntu0.8

Ubuntu 5638-2: Expat vulnerabilities

November 17, 2022

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Expat could be made to crash or execute arbitrary code. Software Description: - expat: XML parsing C library Details: USN-5638-1 fixed a vulnerability in Expat. This update provides the corresponding updates for Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. 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 22.04 LTS:   expat                           2.4.7-1ubuntu0.1   libexpat1                       2.4.7-1ubuntu0.1 Ubuntu 20.04 LTS:   expat                           2.2.9-1ubuntu0.5   libexpat1                       2.2.9-1ubuntu0.5 Ubuntu 18.04 LTS:   expat                           2.2.5-3ubuntu0.8   libexpat1                       2.2.5-3ubuntu0.8 In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-5638-2

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

  CVE-2022-40674, CVE-2022-43680

Severity
Ubuntu Security Notice USN-5638-2

Package Information

  https://launchpad.net/ubuntu/+source/expat/2.4.7-1ubuntu0.1   https://launchpad.net/ubuntu/+source/expat/2.2.9-1ubuntu0.5   https://launchpad.net/ubuntu/+source/expat/2.2.5-3ubuntu0.8

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