# CVE-2014-125112: libplack-middleware-session-perl: Plack::Middleware::Session::Cookie versions through 0.21 for Perl allows remote code execution

CVE-2014-125112 is fixed in libplack-middleware-session-perl on 1 platform, first by DEBIAN-CVE-2014-125112, released March 26, 2026. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2014-125112
- Priority: Urgent
- CVSS: 9.8 (critical)
- EPSS: 0.0085
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 26, 2026

## Description

Plack::Middleware::Session::Cookie versions through 0.21 for Perl allows remote code execution.  Plack::Middleware::Session::Cookie versions through 0.21 has a security vulnerability where it allows an attacker to execute arbitrary code on the server during deserialization of the cookie data, when there is no secret used to sign the cookie.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libplack-middleware-session-perl Debian 12.15 (bookworm) | 0.24-1 | [DEBIAN-CVE-2014-125112](https://patchblox.com/security/data/fix/linux/debian-cve-2014-125112.md) | Mar 26, 2026 |
| Linux | libplack-middleware-session-perl Debian 13.5 (trixie) | 0.24-1 | [DEBIAN-CVE-2014-125112](https://patchblox.com/security/data/fix/linux/debian-cve-2014-125112.md) | Mar 26, 2026 |
| Linux | libplack-middleware-session-perl Debian 14 | 0.24-1 | [DEBIAN-CVE-2014-125112](https://patchblox.com/security/data/fix/linux/debian-cve-2014-125112.md) | Mar 26, 2026 |

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Data as of 2026-11-09T01:18:40Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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