{
  "cveId": "CVE-2026-42506",
  "url": "https://patchblox.com/security/cve/CVE-2026-42506",
  "summary": "CVE-2026-42506 is fixed in 31 products on 1 platform, first by DEBIAN-CVE-2026-42506, released May 22, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Invoking  incorrect handling of namespaced elements in foreign content in golang.org/x/net/html",
  "description": "This update for buildah fixes the following issues\n\n- CVE-2026-25680,CVE-2026-25681,CVE-2026-27136,CVE-2026-42502,CVE-2026-42506: golang.org/x/net/html: multiple issues\n  when parsing HTML files (bsc#1267179).\n- CVE-2026-34986: github.com/go-jose/go-jose/v4,github.com/go-jose/go-jose/v3: crafted JWE input with a missing\n  encrypted key can lead to a denial of service (bsc#1262953).\n- CVE-2026-39821: golang.org/x/net/idna: failure to reject ASCII-only Punycode-encoded labels allows for validation\n  bypass and privilege escalation (bsc#1266648).\n- CVE-2026-39827: Invoking memory leak when rejecting channels can lead to DoS in golang.org/x/crypto/ssh (bsc#1266191).\n- CVE-2026-39828: Invoking bypass of certificate restrictions in golang.org/x/crypto/ssh (bsc#1266191).\n- CVE-2026-39829: Invoking pathological RSA/DSA parameters may cause DoS in golang.org/x/crypto/ssh (bsc#1266191).\n- CVE-2026-39830: Invoking client can cause server deadlock on unexpected responses in golang.org/x/crypto/ssh\n  (bsc#1266191).\n- CVE-2026-39831: Invoking bypass of FIDO/U2F security keys physical interaction in golang.org/x/crypto/ssh\n  (bsc#1266191).\n- CVE-2026-39832: Invoking agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agent\n  (bsc#1266191).\n- CVE-2026-39833: Invoking key constraints not enforced in golang.org/x/crypto/ssh/agent (bsc#1266191).\n- CVE-2026-39834: Invoking infinite loop on large channel writes in golang.org/x/crypto/ssh (bsc#1266191).\n- CVE-2026-39835: Invoking server panic during CheckHostKey/Authenticate in golang.org/x/crypto/ssh (bsc#1266191).\n- CVE-2026-42508: Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts\n  (bsc#1266191).\n- CVE-2026-46595: Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh\n  (bsc#1266191).\n- CVE-2026-46597: Invoking byte arithmetic causes underflow and panic in golang.org/x/crypto/ssh (bsc#1266191).\n- CVE-2026-46598: Invoking pathological inputs can lead to client panic in golang.org/x/crypto/ssh/agent (bsc#1266191).",
  "published": "2026-05-22T16:16:20Z",
  "severity": "Moderate",
  "cvss": 6.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
  "epss": 0.00235,
  "epssPercentile": 0.14592,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42506",
  "fixes": [
    {
      "platform": "linux",
      "product": "alloy",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.17.0-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21251-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21251-1",
      "released": "2026-07-07T17:00:29Z"
    },
    {
      "platform": "linux",
      "product": "alloy",
      "release": "sles 15.7",
      "fixedVersion": "1.17.1-150700.15.23.1",
      "fix": "SUSE-SU-2026:2824-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-2824-1",
      "released": "2026-07-09T18:18:01Z"
    },
    {
      "platform": "linux",
      "product": "alloy",
      "release": "sles 16.0",
      "fixedVersion": "1.17.0-160000.1.1",
      "fix": "SUSE-SU-2026:22575-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22575-1",
      "released": "2026-07-07T16:59:00Z"
    },
    {
      "platform": "linux",
      "product": "buildah",
      "release": "sles 15.6",
      "fixedVersion": "1.35.5-150500.3.62.1",
      "fix": "SUSE-SU-2026:2733-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-2733-1",
      "released": "2026-07-02T18:05:08Z"
    },
    {
      "platform": "linux",
      "product": "buildah",
      "release": "sles 15.7",
      "fixedVersion": "1.35.5-150500.3.62.1",
      "fix": "SUSE-SU-2026:2733-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-2733-1",
      "released": "2026-07-02T18:05:08Z"
    },
    {
      "platform": "linux",
      "product": "containerd",
      "release": "amzn 2023",
      "fixedVersion": "2.2.4-1.amzn2023.0.2",
      "fix": "ALAS2023-2026-1847",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1847",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "containerd-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2.2.4-1.amzn2023.0.2",
      "fix": "ALAS2023-2026-1847",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1847",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "containerd-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "2.2.4-1.amzn2023.0.2",
      "fix": "ALAS2023-2026-1847",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1847",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "containerd-stress",
      "release": "amzn 2023",
      "fixedVersion": "2.2.4-1.amzn2023.0.2",
      "fix": "ALAS2023-2026-1847",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1847",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "containerd-stress-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "2.2.4-1.amzn2023.0.2",
      "fix": "ALAS2023-2026-1847",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1847",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "containerized-data-importer",
      "release": "sles 15.7",
      "fixedVersion": "1.64.0-150700.9.14.1",
      "fix": "SUSE-SU-2026:4209-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4209-1",
      "released": "2026-09-16T11:50:36Z"
    },
    {
      "platform": "linux",
      "product": "containerized-data-importer1.65",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.65.0-160000.3.1",
      "fix": "OPENSUSE-SU-2026:21824-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21824-1",
      "released": "2026-09-09T15:12:11Z"
    },
    {
      "platform": "linux",
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      "release": "opensuse-leap 16.0",
      "fixedVersion": "3.1.1-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21281-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21281-1",
      "released": "2026-07-10T08:42:03Z"
    },
    {
      "platform": "linux",
      "product": "cosign",
      "release": "sles 15.6",
      "fixedVersion": "3.1.1-150400.3.45.1",
      "fix": "SUSE-SU-2026:2827-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-2827-1",
      "released": "2026-07-09T18:28:27Z"
    },
    {
      "platform": "linux",
      "product": "cosign",
      "release": "sles 15.7",
      "fixedVersion": "3.1.1-150400.3.45.1",
      "fix": "SUSE-SU-2026:2827-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-2827-1",
      "released": "2026-07-09T18:28:27Z"
    },
    {
      "platform": "linux",
      "product": "cosign",
      "release": "sles 16.0",
      "fixedVersion": "3.1.1-160000.1.1",
      "fix": "SUSE-SU-2026:22613-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22613-1",
      "released": "2026-07-10T08:43:40Z"
    },
    {
      "platform": "linux",
      "product": "credentials-fetcher",
      "release": "amzn 2023",
      "fixedVersion": "2.0.3-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-1885",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1885",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "docker",
      "release": "amzn 2023",
      "fixedVersion": "25.0.16-1.amzn2023.0.2",
      "fix": "ALAS2023-2026-1835",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1835",
      "released": "2026-06-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "docker-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "25.0.16-1.amzn2023.0.2",
      "fix": "ALAS2023-2026-1835",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1835",
      "released": "2026-06-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "docker-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "25.0.16-1.amzn2023.0.2",
      "fix": "ALAS2023-2026-1835",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1835",
      "released": "2026-06-11T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "ecs-init",
      "release": "amzn 2023",
      "fixedVersion": "1.105.0-1.amzn2023",
      "fix": "ALAS2023-2026-1902",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1902",
      "released": "2026-07-06T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "glab",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.114.0-bp160.1.1",
      "fix": "OPENSUSE-SU-2026:21662-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21662-1",
      "released": "2026-08-26T16:07:54Z"
    },
    {
      "platform": "linux",
      "product": "golang-golang-x-net",
      "release": "Debian 14",
      "fixedVersion": "1:0.55.0-1",
      "fix": "DEBIAN-CVE-2026-42506",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-42506",
      "released": "2026-05-22T16:16:20Z"
    },
    {
      "platform": "linux",
      "product": "govulncheck-vulndb",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "0.0.20260723T184607-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21483-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21483-1",
      "released": "2026-07-30T09:09:47Z"
    },
    {
      "platform": "linux",
      "product": "grafana",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "11.6.14\u002Bsecurity04-bp160.2.1",
      "fix": "OPENSUSE-SU-2026:20984-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20984-1",
      "released": "2026-06-15T14:42:00Z"
    },
    {
      "platform": "linux",
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      "fixedVersion": "12.4.5-150200.3.91.1",
      "fix": "SUSE-SU-2026:3718-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3718-1",
      "released": "2026-08-24T09:23:40Z"
    },
    {
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      "fix": "OPENSUSE-SU-2026:21262-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21262-1",
      "released": "2026-07-06T09:02:35Z"
    },
    {
      "platform": "linux",
      "product": "kubevirt",
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      "fixedVersion": "1.7.4-150700.3.30.1",
      "fix": "SUSE-SU-2026:3203-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3203-1",
      "released": "2026-07-23T13:33:49Z"
    },
    {
      "platform": "linux",
      "product": "kubevirt-1.6",
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      "fix": "SUSE-SU-2026:3630-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-3630-1",
      "released": "2026-08-17T16:50:34Z"
    },
    {
      "platform": "linux",
      "product": "kubevirt1.8",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.8.4-160000.1.1",
      "fix": "OPENSUSE-SU-2026:21590-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21590-1",
      "released": "2026-08-18T16:05:12Z"
    },
    {
      "platform": "linux",
      "product": "lux",
      "release": "opensuse-leap 16.0",
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      "fix": "OPENSUSE-SU-2026:21367-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21367-1",
      "released": "2026-07-17T12:53:41Z"
    },
    {
      "platform": "linux",
      "product": "mcphost",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "0.34.0-160000.2.1",
      "fix": "OPENSUSE-SU-2026:21120-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21120-1",
      "released": "2026-06-20T06:52:26Z"
    },
    {
      "platform": "linux",
      "product": "mcphost",
      "release": "sles 16.0",
      "fixedVersion": "0.34.0-160000.2.1",
      "fix": "SUSE-SU-2026:22193-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-22193-1",
      "released": "2026-06-20T06:52:25Z"
    },
    {
      "platform": "linux",
      "product": "neonmodem",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.0.7\u002Bgit0.346d1d3-bp160.1.1",
      "fix": "OPENSUSE-SU-2026:20963-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20963-1",
      "released": "2026-06-12T18:24:19Z"
    },
    {
      "platform": "linux",
      "product": "nerdctl",
      "release": "amzn 2023",
      "fixedVersion": "2.2.2-1.amzn2023.0.3",
      "fix": "ALAS2023-2026-1788",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1788",
      "released": "2026-06-08T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "rclone",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.74.4-bp160.1.1",
      "fix": "OPENSUSE-SU-2026:21436-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21436-1",
      "released": "2026-07-22T20:54:49Z"
    },
    {
      "platform": "linux",
      "product": "runfinch-finch",
      "release": "amzn 2023",
      "fixedVersion": "1.17.1-1.amzn2023.0.3",
      "fix": "ALAS2023-2026-1886",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1886",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "soci-snapshotter",
      "release": "amzn 2023",
      "fixedVersion": "0.14.1-1.amzn2023.0.1",
      "fix": "ALAS2023-2026-1884",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-1884",
      "released": "2026-06-22T09:00:00Z"
    },
    {
      "platform": "linux",
      "product": "trivy",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "0.71.0-160000.1.1",
      "fix": "OPENSUSE-SU-2026:20956-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20956-1",
      "released": "2026-06-11T15:29:49Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}