VulnerabilityDeferred
CVE-2026-6659
Crypt::PasswdMD5 versions through 1.42 for Perl generates insecure random values for salts.
HIGH 7.5EPSS 0.45%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.45% probability · 38th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-338
- Source
- 9b29abf9-4ab0-4765-b253-1875cd9b441e
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.