Crypt::PBKDF2 versions before 0.261630 for Perl generate insecure random values for salts.
These versions use the built-in rand function, which is predictable and unsuitable for cryptography.
{
"cna_assigner": "CPANSec",
"cwe_ids": [
"CWE-338"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9638.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "0.261630"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}