CVE-2026-6659

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

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-26)

CWE

CWE-338

Published

2026-05-08

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

References

• 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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