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Ubuntu 26.04 LTS libcrypt-saltedhash Important Salt Weakness USN-8418-1

ubuntu
Calendar Grey June 11, 2026
Scroller Ubuntu
Latest Ubuntu advisory for Crypt-SaltedHash addresses critical issues in random number generation impacting cryptographic security.
Crypt-SaltedHash incorrectly generated random numbers.

Summary

Crypt-SaltedHash incorrectly generated random numbers.

Software Description:

- libcrypt-saltedhash-perl: module for handling salted hashes

Details:

It was discovered that Crypt-SaltedHash incorrectly generated salts using a

cryptographically weak pseudo-random number generator. An attacker could

possibly use this issue to predict generated salts, leading to a weakening

of cryptographic protections.

Topics%20covered

Topics Covered

security advisory Ubuntu important cryptography random number generation Crypt-SaltedHash

Update Instructions

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

Ubuntu 26.04 LTS
  libcrypt-saltedhash-perl        0.09-3ubuntu0.26.04.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 25.10
  libcrypt-saltedhash-perl        0.09-3ubuntu0.25.10.1

Ubuntu 24.04 LTS
  libcrypt-saltedhash-perl        0.09-3ubuntu0.24.04.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 22.04 LTS
  libcrypt-saltedhash-perl        0.09-1.1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 20.04 LTS
  libcrypt-saltedhash-perl        0.09-1ubuntu0.20.04.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  libcrypt-saltedhash-perl        0.09-1ubuntu0.18.04.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libcrypt-saltedhash-perl        0.09-1ubuntu0.16.04.1~esm1
                                  Available with Ubuntu Pro

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

References

https://ubuntu.com/security/notices/USN-8418-1

CVE-2026-47372

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8418-1

Topics%20covered

Topics Covered

security advisory Ubuntu important cryptography random number generation Crypt-SaltedHash

Package Information

https://launchpad.net/ubuntu/+source/libcrypt-saltedhash-perl/0.09-3ubuntu0.25.10.1

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