CVE-2026-6659

EUVD-2026-28809
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.
PRNG
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 32%
Debian logo
Debian Releases
Debian Product
Codename
libcrypt-passwdmd5-perl
bookworm
postponed
bullseye
postponed
forky
vulnerable
sid
vulnerable
trixie
postponed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
perl-Crypt-PasswdMD5
Amazon Linux 2
0:1.3-17.amzn2.0.1
fixed
Amazon Linux 2023
0:1.4.1-1.amzn2023.0.3
fixed
Common Weakness Enumeration
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