CVE-2026-2588: Crypt::NaCl::Sodium versions through 2.001 for Perl has an integer overflow flaw on 32-bit systems

Published Feb 22, 2026
·
Updated

Crypt::NaCl::Sodium versions through 2.001 for Perl has an integer overflow flaw on 32-bit systems.

Sodium.xs casts a STRLEN (sizet) to unsigned long long when passing a length pointer to libsodium functions. On 32-bit systems sizet is typically 32-bits while an unsigned long long is at least 64-bits.

Affected Software

2 affected components
cpan/Crypt-NaCl-Sodium<=2.001
Timlegge Crypt\<=2.001

Event History

Feb 22, 2026
CVE Published
via MITRE·11:31 PM
Data Sourced
via MITRE·11:31 PM
RemedyDescriptionWeakness
Feb 23, 2026
Data Sourced
via NVD·12:15 AM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2026-2588?

CVE-2026-2588 is considered a high severity vulnerability due to its potential for integer overflow on 32-bit systems.

2

How do I fix CVE-2026-2588?

To fix CVE-2026-2588, upgrade Crypt::NaCl::Sodium to version 2.002 or later where the issue has been resolved.

3

What systems are affected by CVE-2026-2588?

CVE-2026-2588 affects 32-bit systems running Crypt::NaCl::Sodium versions through 2.001.

4

What might happen if CVE-2026-2588 is exploited?

Exploitation of CVE-2026-2588 could lead to unexpected behavior, including potential crashes or security breaches due to integer overflow.

5

Who is responsible for fixing the flaw in CVE-2026-2588?

The maintainers of the Crypt::NaCl::Sodium library are responsible for fixing the flaw in CVE-2026-2588 and releasing updated versions.

Contact

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