========================================================================== Ubuntu Security Notice USN-8418-1 June 10, 2026
libcrypt-saltedhash-perl vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 26.04 LTS
- Ubuntu 25.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
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.
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
Package Information:
https://launchpad.net/ubuntu/+source/libcrypt-saltedhash-perl/0.09-3ubuntu0.25.10.1
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