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CVE-2026-39834

🗓️ 22 May 2026 02:31:27Reported by GoType 
cve
 cve
🔗 web.nvd.nist.gov👁 191 Views

CVE-2026-39834 fixes infinite loop on large SSH channel writes due to int overflow; uses 64 bit payload size.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ptsecurity
Positive Technologies
PT-2026-35702
28 Apr 202600:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2026-35703
28 Apr 202600:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2026-42713
22 May 202600:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2026-50855
18 Jun 202600:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2025-26639
23 Jun 202500:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2026-21834
23 Feb 202600:00
–ptsecurity
ptsecurity
Positive Technologies
PT-2026-33414
17 Apr 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-39834
5 Jun 202619:44
–redhatcve
redhat
RedHat Linux
Important: Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.22.0 security, enhancement & bug fix update
9 Jul 202614:48
–redhat
redhat
RedHat Linux
Important: Red Hat Security Advisory: Red Hat OpenShift API for Data Protection
22 Jul 202615:57
–redhat
Rows per page
NVD
Node
golangcryptoRange<0.52.0go
[
  {
    "vendor": "golang.org/x/crypto",
    "product": "golang.org/x/crypto/ssh",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "golang.org/x/crypto/ssh",
    "versions": [
      {
        "version": "0",
        "lessThan": "0.52.0",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "channel.WriteExtended"
      },
      {
        "name": "Dial"
      },
      {
        "name": "NewClientConn"
      },
      {
        "name": "NewServerConn"
      },
      {
        "name": "Session.CombinedOutput"
      },
      {
        "name": "Session.Output"
      },
      {
        "name": "Session.Run"
      },
      {
        "name": "Session.Shell"
      },
      {
        "name": "Session.Start"
      },
      {
        "name": "channel.Write"
      },
      {
        "name": "curve25519sha256.Client"
      },
      {
        "name": "curve25519sha256.Server"
      },
      {
        "name": "dhGEXSHA.Client"
      },
      {
        "name": "dhGEXSHA.Server"
      },
      {
        "name": "dhGroup.Client"
      },
      {
        "name": "dhGroup.Server"
      },
      {
        "name": "ecdh.Client"
      },
      {
        "name": "ecdh.Server"
      },
      {
        "name": "extChannel.Write"
      },
      {
        "name": "mlkem768WithCurve25519sha256.Client"
      },
      {
        "name": "mlkem768WithCurve25519sha256.Server"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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23 Jul 2026 16:10Current
5.9Medium risk
Vulners AI Score5.9
EPSS0.00637
SSVC
191