{"id":"RLSA-2026:64818","summary":"Important: skopeo security update","details":"The skopeo command lets you inspect images from container image registries, get images and image layers, and use signatures to create and verify files. \n\nSecurity Fix(es):\n\n* net/mail: golang: net/mail: Denial of Service via pathological email address parsing (CVE-2026-42499)\n\n* encoding/asn1: golang: Go encoding/asn1: Denial of Service via excessive recursion in Unmarshal (CVE-2026-33818)\n\n* net/url: golang: golang net/url: Denial of Service from quadratic complexity in path resolution (CVE-2026-56860)\n\n* net/http: golang: Go net/http: Unencrypted HTTP/2 connections vulnerable to Denial of Service (CVE-2026-56853)\n\n* html/template: golang: Go html/template: Cross-Site Scripting via pathological input (CVE-2026-56858)\n\n* crypto/tls: golang: Golang crypto/tls: Denial of Service via indefinite KeyUpdate messages (CVE-2026-56862)\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.","modified":"2026-09-09T12:30:03.346723184Z","published":"2026-09-09T12:09:16.585859Z","upstream":["CVE-2026-33818","CVE-2026-42499","CVE-2026-56853","CVE-2026-56858","CVE-2026-56860","CVE-2026-56862"],"database_specific":{"source_advisory":"RHSA-2026:64818","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:64818"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2515820"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2515827"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2467809"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2515838"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2515815"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2515839"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:64818"}],"affected":[{"package":{"name":"skopeo","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/skopeo?distro=rocky-linux-10&epoch=2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.22.2-5.el10_2"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:64818.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}