Vulnerability · Published Jun 11, 2025 · Assigned by CPANSec
CVE-2025-40912CryptX for Perl before version 0.065 contains a dependency that may be susceptible to malformed unicode
Critical 9.8
In plain English
A critical-severity security flaw in CryptX from MIK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.4%top 64.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
CryptX for Perl before version 0.065 contains a dependency that may be susceptible to malformed unicode. CryptX embeds the tomcrypt library. The versions of that library in CryptX before 0.065 may be susceptible to CVE-2019-17362.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libcryptx-perl | 0.066-1 | DEBIAN-CVE-2025-40912 |
| Debian:13 | libcryptx-perl | 0.066-1 | DEBIAN-CVE-2025-40912 |
| Debian:14 | libcryptx-perl | 0.066-1 | DEBIAN-CVE-2025-40912 |
Affected products (as reported)
Weakness: CWE-1395 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H