Vulnerability record · CVE-2026-6659 · published 8 May 2026

CVE-2026-6659: Crypt::PasswdMD5 versions through 1.42 for Perl generates insecure random values for salts.

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.

7.5 CVSS 3.1 High EPSS 0.51% · top 59.0% CWE-338 · CWE-338 Deferred

7.5CVSS 3.1 base score

0.51%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

5References

17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

Link	Tags
https://github.com/ronsavage/Crypt-PasswdMD5/commit/a2f821637db0296082297aa4b02254ab08f0dc5e.patch
https://github.com/ronsavage/Crypt-PasswdMD5/pull/3
https://metacpan.org/release/RSAVAGE/Crypt-PasswdMD5-1.42/source/lib/Crypt/PasswdMD5.pm#L35-47
https://metacpan.org/release/RSAVAGE/Crypt-PasswdMD5-1.43/changes
http://www.openwall.com/lists/oss-security/2026/05/08/17

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Source: NIST National Vulnerability Database (record CVE-2026-6659), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.