{"schema_version": "1.7.0", "id": "RLSA-2026:36199", "modified": "2026-07-08T12:08:29.899148Z", "published": "2026-07-08T12:06:21.540749Z", "upstream": ["CVE-2026-39829", "CVE-2026-39830", "CVE-2026-39832", "CVE-2026-39835"], "summary": "Important: buildah security update", "details": "The buildah package provides a tool for facilitating building OCI container images. Among other things, buildah enables you to: Create a working container, either from scratch or using an image as a starting point; Create an image, either from a working container or using the instructions in a Dockerfile; Build both Docker and OCI images. \n\nSecurity Fix(es):\n\n* golang.org/x/crypto/ssh: golang: golang.org/x/crypto/ssh: Denial of Service via crafted SSH certificate (CVE-2026-39835)\n\n* golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via crafted public key with excessive parameters (CVE-2026-39829)\n\n* golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Denial of Service via resource leak from unsolicited SSH responses (CVE-2026-39830)\n\n* golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions (CVE-2026-39832)\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.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N"}], "affected": [{"package": {"ecosystem": "Rocky Linux:10", "name": "buildah", "purl": "pkg:rpm/rocky-linux/buildah?distro=rocky-linux-10&epoch=2"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "2:1.43.1-3.el10_2"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:36199"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480684"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480681"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480685"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480680"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}