Vulnerability · Published May 20, 2026 · Assigned by CPANSec
CVE-2026-47372Crypt::SaltedHash versions through 0.09 for Perl generate insecure random values for salts
Critical 9.1
In plain English
A critical-severity security flaw in Crypt::SaltedHash from RRWO. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.4%top 65.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Crypt::SaltedHash versions through 0.09 for Perl generate insecure random values for salts. These versions use the built-in rand function, which is predictable and unsuitable for cryptography.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libcrypt-saltedhash-perl | no fix listed | DEBIAN-CVE-2026-47372 |
| Debian:13 | libcrypt-saltedhash-perl | no fix listed | DEBIAN-CVE-2026-47372 |
| Debian:14 | libcrypt-saltedhash-perl | 0.11-1 | DEBIAN-CVE-2026-47372 |
| Ubuntu:25.10 | libcrypt-saltedhash-perl | 0.09-3ubuntu0.25.10.1 | USN-8418-1 |
| Ubuntu:25.10 | libcrypt-saltedhash-perl | 0.09-3ubuntu0.25.10.1 | UBUNTU-CVE-2026-47372 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| RRWO | Crypt::SaltedHash | 0 – through 0.09 |
Weakness: CWE-338 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N