CVE-2026-6656

Published: Jul 20, 2026Modified: Jul 20, 2026Deferred

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability: 3.9 / Impact: 3.6

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

Crypt::Password versions through 0.28 for Perl are susceptible to timing attacks. The check_password method uses the built-in eq operator. This allows discrepancies in timing to be used to guess the underlying hash.

Related CWEs

CWE-208

Observable Timing Discrepancy

Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.

References (3)

https://metacpan.org/release/DRSTEVE/Crypt-Password-0.28/source/lib/Crypt/Password.pm#L190-193

Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e

https://rt.cpan.org/Ticket/Display.html?id=180162

Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e

http://www.openwall.com/lists/oss-security/2026/07/20/4

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.