CVE-2026-2588 Crypt::NaCl::Sodium versions through 2.001 for Perl has an integer overflow flaw on 32-bit systems
An integer overflow in Crypt::NaCl::Sodium on 32-bit systems may lead to undefined behavior or memory corruption during cryptographic operations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2588?
CVE-2026-2588 is a critical vulnerability in TIMLEGGE Crypt::NaCl::Sodium, published on 22 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-190
Which versions are affected by CVE-2026-2588?
It affects 1 product.
Products include Timlegge Crypt\.
How do I fix CVE-2026-2588?
No fix has been published for CVE-2026-2588 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-2588 being exploited?
There is no known exploitation of CVE-2026-2588 in the wild and no public exploit code.
Other vulnerabilities in TIMLEGGE Crypt::NaCl::Sodium
Sources
Also known as GHSA-8gq5-mm3m-7h4x.