What’s Vulnerable › Vulnerabilities

CVE-2025-40914: Perl CryptX before version 0.087 contains a dependency that may be susceptible to an integer overflow

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-11 · updated 2026-06-17
• Weakness: CWE-1395

Description

Perl CryptX before version 0.087 contains a dependency that may be susceptible to an integer overflow. CryptX embeds a version of the libtommath library that is susceptible to an integer overflow associated with CVE-2023-36328.

Affected products

• MIK CryptX: from 0.002 through 0.086

References

• https://github.com/advisories/GHSA-j3xv-6967-cv88
• https://github.com/libtom/libtommath/pull/546
• https://metacpan.org/release/MIK/CryptX-0.086/source/src/ltm/bn_mp_grow.c
• https://www.cve.org/CVERecord?id=CVE-2023-36328

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