{"id":"RLSA-2026:67139","summary":"Important: image-builder security update","details":"A local binary for building customized OS artifacts such as VM images and OSTree commits. Uses osbuild under the hood.\n\nSecurity Fix(es):\n\n* golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via HTML parsing bypass (CVE-2026-27136)\n\n* golang.org/x/net/html: golang.org/x/net/html: Arbitrary code execution via Cross-Site Scripting (CVE-2026-25681)\n\n* golang.org/x/net/html: golang: golang.org/x/net/html: Cross-Site Scripting via unexpected HTML tree rendering (CVE-2026-42502)\n\n* github.com/open-telemetry/opentelemetry-go: go.opentelemetry.io/otel/baggage: go.opentelemetry.io/otel/propagation: OpenTelemetry-Go: Denial of Service via oversized baggage headers (CVE-2026-41178)\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":"2026-09-15T12:30:03.317406822Z","published":"2026-09-15T12:08:56.876794Z","upstream":["CVE-2026-25681","CVE-2026-27136","CVE-2026-41178","CVE-2026-42502"],"database_specific":{"license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:67139"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:67139"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2480757"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2480761"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2480762"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2484830"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:67139"}],"affected":[{"package":{"name":"image-builder","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/image-builder?distro=rocky-linux-10&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:52.1-2.el10_2.rocky.0.1"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:67139.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"}]}