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Message-ID: <fa7de811-9e3b-499a-af21-a21b8e67b5d7@cpansec.org>
Date: Thu, 4 Jun 2026 16:46:55 +0100
From: Robert Rothenberg <rrwo@...nsec.org>
To: cve-announce@...urity.metacpan.org, oss-security@...ts.openwall.com
Subject: CVE-2026-46739: Net::Statsd versions before 0.13 for Perl allow
metric injections
========================================================================
CVE-2026-46739 CPAN Security Group
========================================================================
CVE ID: CVE-2026-46739
Distribution: Net-Statsd
Versions: before 0.13
MetaCPAN: https://metacpan.org/dist/Net-Statsd
VCS Repo: https://github.com/cosimo/perl5-net-statsd
Net::Statsd versions before 0.13 for Perl allow metric injections
Description
-----------
Net::Statsd versions before 0.13 for Perl allow metric injections.
The metric names are not checked for newlines, colons or pipes. Metrics
generated from untrusted sources could inject additional statsd
metrics.
The update_stats (used for updating counters) and gauge methods do not
check that values are numeric (which would block metric injection).
Problem types
-------------
- CWE-93 Improper Neutralization of CRLF Sequences
Workarounds
-----------
Apply the linked pull request.
Otherwise ensure only trusted data is submitted to metrics.
Solutions
---------
Upgrade to version 0.13 or later.
References
----------
https://github.com/cosimo/perl5-net-statsd/pull/10
https://www.cve.org/CVERecord?id=CVE-2026-46719
https://www.cve.org/CVERecord?id=CVE-2026-46720
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