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Ubuntu 24.10: USN-7259-1 critical: glibc denial of service

ubuntu
Calendar Grey February 6, 2025
Dist Ubuntu Esm H88
Recent updates to Ubuntu target a critical glibc flaw that poses risks of system instability or unauthorized code execution. It's crucial for every user to apply these patches.
GNU C Library could be made to crash or run programs if it received specially crafted input.

Summary

GNU C Library could be made to crash or run programs if it received

specially crafted input.

Software Description:

- glibc: GNU C Library

Details:

It was discovered that GNU C Library incorrectly handled memory when using

the assert function. An attacker could possibly use this issue to cause a

denial of service or execute arbitrary code.

Update Instructions

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

Ubuntu 24.10
   libc6                           2.40-1ubuntu3.1

Ubuntu 24.04 LTS
   libc6                           2.39-0ubuntu8.4

Ubuntu 22.04 LTS
   libc6                           2.35-0ubuntu3.9

Ubuntu 20.04 LTS
   libc6                           2.31-0ubuntu9.17

Ubuntu 18.04 LTS
   libc6                           2.27-3ubuntu1.6+esm4
                                   Available with Ubuntu Pro

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

References

  https://ubuntu.com/security/notices/USN-7259-1

  CVE-2025-0395

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7259-1

Package Information

  https://launchpad.net/ubuntu/+source/glibc/2.40-1ubuntu3.1
  https://launchpad.net/ubuntu/+source/glibc/2.39-0ubuntu8.4
  https://launchpad.net/ubuntu/+source/glibc/2.35-0ubuntu3.9
  https://launchpad.net/ubuntu/+source/glibc/2.31-0ubuntu9.17

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