Issued:
2026-02-25
Updated:
2026-02-25

RHSA-2026:3341 - Important: containernetworking-plugins security update

Synopsis

Important: containernetworking-plugins security update

Type/Severity

Security Advisory Important

Topic

An update for containernetworking-plugins is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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):

  • crypto/x509: golang: Denial of Service due to excessive resource consumption via crafted certificate (CVE-2025-61729)

  • golang: net/url: Memory exhaustion in query parameter parsing in net/url (CVE-2025-61726)

  • crypto/tls: Unexpected session resumption in crypto/tls (CVE-2025-68121)

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat Enterprise Linux for x86_649x86_64
Red Hat Enterprise Linux for Power, little endian9ppc64le
Red Hat Enterprise Linux for IBM z Systems9s390x
Red Hat Enterprise Linux for ARM 649aarch64

Updated Packages

  • containernetworking-plugins-debugsource-1.7.1-3.el9_7.x86_64.rpm
  • containernetworking-plugins-debuginfo-1.7.1-3.el9_7.aarch64.rpm
  • containernetworking-plugins-debuginfo-1.7.1-3.el9_7.x86_64.rpm
  • containernetworking-plugins-debugsource-1.7.1-3.el9_7.ppc64le.rpm
  • containernetworking-plugins-1.7.1-3.el9_7.s390x.rpm
  • containernetworking-plugins-debuginfo-1.7.1-3.el9_7.ppc64le.rpm
  • containernetworking-plugins-debuginfo-1.7.1-3.el9_7.s390x.rpm
  • containernetworking-plugins-1.7.1-3.el9_7.aarch64.rpm
  • containernetworking-plugins-1.7.1-3.el9_7.ppc64le.rpm
  • containernetworking-plugins-debugsource-1.7.1-3.el9_7.aarch64.rpm
  • containernetworking-plugins-1.7.1-3.el9_7.src.rpm
  • containernetworking-plugins-debugsource-1.7.1-3.el9_7.s390x.rpm
  • containernetworking-plugins-1.7.1-3.el9_7.x86_64.rpm

Fixes

CVEs

References

Additional information