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Message-ID: <a58262e5-1da1-464c-9ce4-80de1b916bee@cpansec.org>
Date: Wed, 20 May 2026 21:27:19 +0100
From: Robert Rothenberg <rrwo@...nsec.org>
To: cve-announce@...urity.metacpan.org, oss-security@...ts.openwall.com
Subject: CVE-2026-47373: Crypt::SaltedHash versions through 0.09 for Perl is
susceptible to timing attacks
========================================================================
CVE-2026-47373 CPAN Security Group
========================================================================
CVE ID: CVE-2026-47373
Distribution: Crypt-SaltedHash
Versions: through 0.09
MetaCPAN: https://metacpan.org/dist/Crypt-SaltedHash
VCS Repo: https://github.com/robrwo/perl-Crypt-SaltedHash
Crypt::SaltedHash versions through 0.09 for Perl is susceptible to
timing attacks
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.
Problem types
-------------
- CWE-208 Observable Timing Discrepancy
Solutions
---------
Upgrade to version 0.10 or later.
References
----------
https://metacpan.org/release/RRWO/Crypt-SaltedHash-0.10/changes
https://github.com/robrwo/perl-Crypt-SaltedHash/commit/c07bfc5c23185b0667233d0f2e1252d81f1f027a.patch
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