AlmaLinux alert ALSA-2026:29703 (containernetworking-plugins)

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[Announce] [Security Advisory] ALSA-2026:29703: containernetworking-plugins security update (Important)
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Mon, 29 Jun 2026 11:05:53 +0000
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<0100019f130e9f7a-d8d56571-a467-4edd-9169-1a16eedf2eac-000000@email.amazonses.com>
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Article
Hi,

You are receiving an AlmaLinux Security update email because you subscribed to receive errata
notifications from AlmaLinux.

AlmaLinux: 9
Type: Security
Severity: Important
Release date: 2026-06-29

Summary:

The Container Network Interface (CNI) project consists of a specification and libraries for writing
plug-ins for configuring network interfaces in Linux containers, along with a number of supported
plug-ins. CNI concerns itself only with network connectivity of containers and removing allocated
resources when the container is deleted.   

Security Fix(es):  

  * net/url: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)
  * crypto/x509: golang: Go crypto/x509: Denial of Service via inefficient certificate chain
validation (CVE-2026-32281)
  * crypto/tls: golang: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages
(CVE-2026-32283)
  * crypto/x509: crypto/tls: golang: Go: Denial of Service vulnerability in certificate chain
building (CVE-2026-32280)


For more details about the security issue(s), including the impact, a CVSS score, acknowledgments,
and other related information, refer to the CVE page(s) listed in the References section.


Full details, updated packages, references, and other related information:
https://errata.almalinux.org/9/ALSA-2026-29703.html

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AlmaLinux Team
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