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From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: libcrypt-pbkdf2-perl: CVE-2026-9638 CVE-2026-9641
Message-ID: <178129198820.3931917.14758735107188195622.reportbug@eldamar.lan>
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Date: Fri, 12 Jun 2026 21:19:48 +0200
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Source: libcrypt-pbkdf2-perl
Version: 0.161520-2
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerabilities were published for libcrypt-pbkdf2-perl.

CVE-2026-9638[0]:
| 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.


CVE-2026-9641[1]:
| Crypt::PBKDF2 versions before 0.261630 for Perl have a weak default
| algorithm and number of iterations.  The default algorithm is HMAC-
| SHA1, which should only be used for legacy systems.  These versions
| default to using 1000 iterations.  Depending on the chosen
| algorithm, 220,000 to 1,400,000 iterations should be used.


If you fix the vulnerabilities please also make sure to include the
CVE (Common Vulnerabilities & Exposures) ids in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-9638
    https://www.cve.org/CVERecord?id=CVE-2026-9638
[1] https://security-tracker.debian.org/tracker/CVE-2026-9641
    https://www.cve.org/CVERecord?id=CVE-2026-9641

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore
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