{
  "fix": "golang-golang-x-crypto-dev 1:0.19.0-1ubuntu0.1~esm2",
  "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-golang-golang-x-crypto-dev-1-0.19.0-1ubuntu0.1-esm2",
  "summary": "golang-golang-x-crypto-dev 1:0.19.0-1ubuntu0.1~esm2, released May 21, 2026, fixes 6 CVEs in golang-golang-x-crypto-dev. None of them is reported as exploited. Patch Radar priority: High.",
  "platform": "linux",
  "type": "package",
  "title": "golang-golang-x-crypto-dev 1:0.19.0-1ubuntu0.1~esm2 for Ubuntu 24.04.5 LTS (noble)",
  "released": "2026-05-21T21:16:00Z",
  "priority": "High",
  "priorityTier": 3,
  "priorityReason": "Closes CVE-2026-42508, high severity",
  "supported": true,
  "cveCount": 6,
  "exploitedCveCount": 0,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.0691,
  "maxCvss": 9.1,
  "appliesTo": [
    {
      "product": "golang-golang-x-crypto-dev",
      "productUrl": "https://patchblox.com/security/product/linux/golang-golang-x-crypto-dev",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1:0.19.0-1ubuntu0.1~esm2",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2026-42508",
      "url": "https://patchblox.com/security/cve/CVE-2026-42508",
      "title": "Invoking  auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.0691,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39830",
      "url": "https://patchblox.com/security/cve/CVE-2026-39830",
      "title": "Invoking  client can cause server deadlock on unexpected responses in golang.org/x/crypto/ssh",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00683,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39832",
      "url": "https://patchblox.com/security/cve/CVE-2026-39832",
      "title": "Invoking  agent constraints dropped when forwarding keys in golang.org/x/crypto/ssh/agent",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00683,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39834",
      "url": "https://patchblox.com/security/cve/CVE-2026-39834",
      "title": "Invoking  infinite loop on large channel writes in golang.org/x/crypto/ssh",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00597,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39831",
      "url": "https://patchblox.com/security/cve/CVE-2026-39831",
      "title": "Invoking  bypass of FIDO/U2F security keys physical interaction in golang.org/x/crypto/ssh",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00478,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2026-39833",
      "url": "https://patchblox.com/security/cve/CVE-2026-39833",
      "title": "Invoking  key constraints not enforced in golang.org/x/crypto/ssh/agent",
      "priority": "High",
      "severity": "Important",
      "cvss": 9.1,
      "epss": 0.00469,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-15T08:14:52Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}