CVE-2026-2588

critical · 9.1

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.

9.1

CVSS

0.3%

EPSS (exploit prob.)

28th

EPSS percentile

2026-02-23

Published

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

Weaknesses

CWE-190

Affected products

Vendor	Product	Affected versions
timlegge	crypt::nacl::sodium	<= 2.001

Check a specific version with /api/v1/cve/match.

References

https://github.com/cpan-authors/crypt-nacl-sodium/commit/557388bdb4da416a56663cda0154b80cd524395c.patch
https://github.com/cpan-authors/crypt-nacl-sodium/commit/8cf7f66ba922443e131c9deae1ee00fafe4f62e4.patch
https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.001/source/Sodium.xs#L2119

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-2588