CVE-2026-2588 - Vulnerability Analysis

Overview

Crypt::NaCl::Sodium <= 2.001 for Perl contains an integer overflow caused by improper casting of size_t to unsigned long long on 32-bit systems, letting attackers potentially cause memory corruption, exploit requires 32-bit system.

Severity & Score

Impact

Attackers can cause memory corruption leading to potential crashes or code execution on 32-bit systems.

Mitigation

Update to the latest version beyond 2.001 or apply patches addressing integer overflow on 32-bit systems.

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

Social Media Activity(1 post)

TheHackerWire

@thehackerwire

Feb 23, 2026

🔴 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 typical... 🔗 https://www.thehackerwire.com/vulnerability/CVE-2026-2588/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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