PT-2026-48869 · Cpan · Crypt::Pbkdf2

CVE-2017-20240 · Published 2026-06-12 · Updated 2026-06-15

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Crypt::PBKDF2 versions prior to 0.261630

Description Certain versions are susceptible to timing attacks because they utilize Perl's built-in eq comparison. This allows discrepancies in timing to be used to guess the underlying derived-key.

Recommendations Update to version 0.261630.

Fix

Weakness Enumeration

CWE-208

Related Identifiers

CVE-2017-20240

OPENSUSE-SU-2026:11034-1

Affected Products

Crypt::Pbkdf2

References · 16

• https://ubuntu.com/security/CVE-2017-20240 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-20240 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-20240 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-20240 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:11034-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-20240 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-20240 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-20240 · Security Note
• https://github.com/arodland/Crypt-PBKDF2/pull/6 · Note
• http://openwall.com/lists/oss-security/2026/06/12/3 · Note
• https://lists.security.metacpan.org/cve-announce/msg/40929601 · Note
• https://suse.com/security/cve/CVE-2017-20240 · Note
• https://suse.com/security/cve/CVE-2026-9641 · Note
• https://suse.com/security/cve/CVE-2026-9638 · Note
• https://metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.261630/changes · Note