{"id":"ALSA-2026:70391","summary":"Important: containernetworking-plugins security update","details":"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.   \n\nSecurity Fix(es):  \n\n  * encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)\n  * net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860)\n  * net/[http:](http:) golang: Go net/[http:](http:) Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853)\n  * html/template: golang: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858)\n  * crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862)\n\n\nFor 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.\n","modified":"2026-09-23T13:41:35.694288289Z","published":"2026-09-22T00:00:00Z","related":["CVE-2026-33818","CVE-2026-56853","CVE-2026-56858","CVE-2026-56860","CVE-2026-56862"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:70391"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-33818"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-56853"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-56858"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-56860"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-56862"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2515815"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2515820"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2515827"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2515838"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2515839"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-70391.html"}],"affected":[{"package":{"name":"containernetworking-plugins","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/containernetworking-plugins"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.9.0-4.el9_8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:70391.json"}}],"schema_version":"1.9.0"}