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Critical · 9.8 CVE-2014-125112 EUVD-2014-9820GHSA-58qr-v987-vh6w

Plack::Middleware::Session::Cookie versions through 0.21 for Perl allows remote code execution

Published Mar 26, 2026 · Updated Mar 26, 2026 · Assigned by CPANSec

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.

Affected products

VendorProductAffectedFixed
MIYAGAWA Plack::Middleware::Session::Cookie ≤ 0.21 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 libplack-middleware-session-perl 0.24-1 —
Debian 13 libplack-middleware-session-perl 0.24-1 —
Debian 12 libplack-middleware-session-perl 0.24-1 —
ReleasePackageFixed inAdvisory
Ubuntu 20.04 LTS libplack-middleware-session-perl No fix yet —
Ubuntu 18.04 LTS libplack-middleware-session-perl No fix yet —
Ubuntu 16.04 LTS libplack-middleware-session-perl No fix yet —

References