Vulnerability · Published May 20, 2026 · Assigned by CPANSec
CVE-2026-47373Crypt::SaltedHash versions through 0.09 for Perl is susceptible to timing attacks
High 7.5
In plain English
A high-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)7.5High
Exploit odds (30 days)0.4%top 66.3% 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 is susceptible to timing attacks. These versions use Perl's built-in eq comparison. Discrepencies in timing could be used to guess the underlying hash.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libcrypt-saltedhash-perl | no fix listed | DEBIAN-CVE-2026-47373 |
| Debian:13 | libcrypt-saltedhash-perl | no fix listed | DEBIAN-CVE-2026-47373 |
| Debian:14 | libcrypt-saltedhash-perl | 0.11-1 | DEBIAN-CVE-2026-47373 |
| Ubuntu:25.10 | libcrypt-saltedhash-perl | no fix listed | UBUNTU-CVE-2026-47373 |
| Ubuntu:26.10 | libcrypt-saltedhash-perl | no fix listed | UBUNTU-CVE-2026-47373 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| RRWO | Crypt::SaltedHash | 0 – through 0.09 |
Weakness: CWE-208 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N