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Message-ID: <462a16da-96e7-4f81-b8e7-3ff903b0774f@cpansec.org>
Date: Fri, 8 May 2026 18:23:37 +0100
From: Robert Rothenberg <rrwo@...nsec.org>
To: cve-announce@...urity.metacpan.org, oss-security@...ts.openwall.com
Subject: CVE-2026-6659: Crypt::PasswdMD5 versions through 1.42 for Perl
generates insecure random values for salts
========================================================================
CVE-2026-6659 CPAN Security Group
========================================================================
CVE ID: CVE-2026-6659
Distribution: Crypt-PasswdMD5
Versions: through 1.42
MetaCPAN: https://metacpan.org/dist/Crypt-PasswdMD5
VCS Repo: https://github.com/ronsavage/Crypt-PasswdMD5
Crypt::PasswdMD5 versions through 1.42 for Perl generates insecure
random values for salts
Description
-----------
Crypt::PasswdMD5 versions through 1.42 for Perl generates insecure
random values for salts.
The built-in rand function is predictable, and unsuitable for
cryptography.
Problem types
-------------
- CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator
(PRNG)
References
----------
https://metacpan.org/release/RSAVAGE/Crypt-PasswdMD5-1.42/source/lib/Crypt/PasswdMD5.pm#L35-47
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