CVE-2026-6656

NameCVE-2026-6656
DescriptionCrypt::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.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libcrypt-password-perl (PTS)forky, sid0.28-2vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libcrypt-password-perlsource(unstable)(unfixed)

Notes

https://rt.cpan.org/Ticket/Display.html?id=180162
https://lists.security.metacpan.org/cve-announce/msg/41975673/

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