# CVE-2025-40912: libcryptx-perl: CryptX for Perl before version 0.065 contains a dependency that may be susceptible to malformed unicode

CVE-2025-40912 is fixed in libcryptx-perl on 1 platform, first by libcryptx-perl 0.056-1ubuntu0.1~esm1, released June 11, 2025. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2025-40912
- Priority: Urgent
- CVSS: 9.8 (critical)
- EPSS: 0.0043
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Jun 11, 2025

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libcryptx-perl Debian 12.15 (bookworm) | 0.066-1 | [DEBIAN-CVE-2025-40912](https://patchblox.com/security/data/fix/linux/debian-cve-2025-40912.md) | Jun 11, 2025 |
| Linux | libcryptx-perl Debian 13.5 (trixie) | 0.066-1 | [DEBIAN-CVE-2025-40912](https://patchblox.com/security/data/fix/linux/debian-cve-2025-40912.md) | Jun 11, 2025 |
| Linux | libcryptx-perl Debian 14 | 0.066-1 | [DEBIAN-CVE-2025-40912](https://patchblox.com/security/data/fix/linux/debian-cve-2025-40912.md) | Jun 11, 2025 |
| Linux | libcryptx-perl Ubuntu 18.04.6 LTS (bionic) | 0.056-1ubuntu0.1~esm1 | [libcryptx-perl 0.056-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcryptx-perl-0.056-1ubuntu0.1-esm1.md) | Jun 11, 2025 |

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