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Ubuntu 23.10 & 22.04 LTS USN-6694-1 Critical: Expat DoS

ubuntu
Calendar Grey March 14, 2024
Dist Ubuntu Esm H88
Elevate your Ubuntu installation to address expat security flaws that may result in service interruptions caused by excessive resource usage.
Expat could be made to crash if it received specially crafted input.

Summary

Expat could be made to crash if it received specially crafted

input.

Software Description:

- expat: XML parsing C library

Details:

It was discovered that Expat could be made to consume large amounts of

resources. If a user or automated system were tricked into processing

specially crafted input, an attacker could possibly use this issue to cause

a denial of service. (CVE-2023-52425, CVE-2024-28757)

Topics%20covered

Topics Covered

security advisory critical DoS Ubuntu resource exhaustion expat

Update Instructions

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

Ubuntu 23.10:
   expat                           2.5.0-2ubuntu0.1
   libexpat1                       2.5.0-2ubuntu0.1

Ubuntu 22.04 LTS:
   expat                           2.4.7-1ubuntu0.3
   libexpat1                       2.4.7-1ubuntu0.3

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

References

  https://ubuntu.com/security/notices/USN-6694-1

  CVE-2023-52425, CVE-2024-28757

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6694-1

Topics%20covered

Topics Covered

security advisory critical DoS Ubuntu resource exhaustion expat

Package Information

 
  https://launchpad.net/ubuntu/+source/expat/2.4.7-1ubuntu0.3

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