==========================================================================
Ubuntu Security Notice USN-7000-2
September 17, 2024

expat vulnerabilities
==========================================================================

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

- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in Expat.

Software Description:
- expat: XML parsing C library

Details:

USN-7000-1 fixed vulnerabilities in Expat. This update
provides the corresponding updates for Ubuntu 22.04 LTS.

Original advisory details:

  Shang-Hung Wan discovered that Expat did not properly handle certain
  function calls when a negative input length was provided. An attacker
  could use this issue to cause a denial of service or possibly execute
  arbitrary code. (CVE-2024-45490)

  Shang-Hung Wan discovered that Expat did not properly handle the
  potential for an integer overflow on 32-bit platforms. An attacker
  could use this issue to cause a denial of service or possibly execute
  arbitrary code. (CVE-2024-45491, CVE-2024-45492)

Update instructions:

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

Ubuntu 22.04 LTS
   expat                           2.4.7-1ubuntu0.4
   libexpat1                       2.4.7-1ubuntu0.4

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

References:
   https://ubuntu.com/security/notices/USN-7000-2
   https://ubuntu.com/security/notices/USN-7000-1
   CVE-2024-45490, CVE-2024-45491, CVE-2024-45492

Package Information:
   https://launchpad.net/ubuntu/+source/expat/2.4.7-1ubuntu0.4

Ubuntu 7000-2: Expat Security Advisory Updates

September 17, 2024
Several security issues were fixed in Expat.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS Summary: Several security issues were fixed in Expat. Software Description: - expat: XML parsing C library Details: USN-7000-1 fixed vulnerabilities in Expat. This update provides the corresponding updates for Ubuntu 22.04 LTS. Original advisory details:  Shang-Hung Wan discovered that Expat did not properly handle certain  function calls when a negative input length was provided. An attacker  could use this issue to cause a denial of service or possibly execute  arbitrary code. (CVE-2024-45490)  Shang-Hung Wan discovered that Expat did not properly handle the  potential for an integer overflow on 32-bit platforms. An attacker  could use this issue to cause a denial of service or possibly execute  arbitrary code. (CVE-2024-45491, CVE-2024-45492)

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS   expat                           2.4.7-1ubuntu0.4   libexpat1                       2.4.7-1ubuntu0.4 In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-7000-2

  https://ubuntu.com/security/notices/USN-7000-1

  CVE-2024-45490, CVE-2024-45491, CVE-2024-45492

Severity
Ubuntu Security Notice USN-7000-2

Package Information

  https://launchpad.net/ubuntu/+source/expat/2.4.7-1ubuntu0.4

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