CVE-2026-2588
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.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
TIMLEGGE
aka crypt::nacl::sodium, crypt::dsa
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.
MITRE ATT&CK
1 technique Initial Access
References
https://github.com/cpan-authors/crypt-nacl-sodium/commit/557388bdb4da416a56663cda0154b80cd524395c.patch
github.com
https://github.com/cpan-authors/crypt-nacl-sodium/commit/8cf7f66ba922443e131c9deae1ee00fafe4f62e4.patch
github.com
https://metacpan.org/release/TIMLEGGE/Crypt-NaCl-Sodium-2.001/source/Sodium.xs#L2119
metacpan.org
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2026-2588 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows
