CVE-2026-2588

CRITICAL

9.1

Description

Crypt::NaCl::Sodium versions through 2.001 for Perl has an integer overflow flaw on 32-bit systems. Sodium.xs casts a STRLEN (size_t) to unsigned long long when passing a length pointer to libsodium functions. On 32-bit systems size_t is typically 32-bits while an unsigned long long is at least 64-bits.

CVE Details

CVSS v3.1 Score9.1

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/23/2026

Last Modified3/4/2026

Sourcenvd

Honeypot Sightings0

Affected Products

timlegge:crypt\

Weaknesses (CWE)

CWE-190

References

https://github.com/cpan-authors/crypt-nacl-sodium/commit/557388bdb4da416a56663cda0154b80cd524395c.patch(9b29abf9-4ab0-4765-b253-1875cd9b441e)

https://github.com/cpan-authors/crypt-nacl-sodium/commit/8cf7f66ba922443e131c9deae1ee00fafe4f62e4.patch(9b29abf9-4ab0-4765-b253-1875cd9b441e)

https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.001/source/Sodium.xs#L2119(9b29abf9-4ab0-4765-b253-1875cd9b441e)

IOC Correlations

No correlations recorded

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