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CVE-2026-43233

🗓️ 06 May 2026 11:28:29Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 26 Views

CVE-2026-43233 fixes an out-of-bounds read in nf_conntrack_h323 decode_choice by validating two bytes before get_len.

Related
Detection
Affected
Refs
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange4.15.15.10.252
linuxlinux_kernelRange5.115.15.202
linuxlinux_kernelRange5.166.1.165
linuxlinux_kernelRange6.26.6.128
linuxlinux_kernelRange6.76.12.75
linuxlinux_kernelRange6.136.18.16
linuxlinux_kernelRange6.196.19.6
linuxlinux_kernelMatch4.15rc4
linuxlinux_kernelMatch4.15rc5
linuxlinux_kernelMatch4.15rc6
linuxlinux_kernelMatch4.15rc7
linuxlinux_kernelMatch4.15rc8
linuxlinux_kernelMatch4.15rc9
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/nf_conntrack_h323_asn1.c"
    ],
    "versions": [
      {
        "version": "ec8a8f3c31ddef0a7d9626c4b8a4baa30f3b80aa",
        "lessThan": "bcb50aa0b8f2b74a9fe5a1c7bee6f2657a288041",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec8a8f3c31ddef0a7d9626c4b8a4baa30f3b80aa",
        "lessThan": "2a3aac4205e7d2f1aca2e3827de8cdd517d36c4a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec8a8f3c31ddef0a7d9626c4b8a4baa30f3b80aa",
        "lessThan": "81f2fc5b0d0cf4696146f00f837596d10b92dead",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec8a8f3c31ddef0a7d9626c4b8a4baa30f3b80aa",
        "lessThan": "7ef82863d42261817a6394c6c881bd6757a70f16",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec8a8f3c31ddef0a7d9626c4b8a4baa30f3b80aa",
        "lessThan": "53d32735d77ab56cc3fc7bd53a7d099418f19be1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec8a8f3c31ddef0a7d9626c4b8a4baa30f3b80aa",
        "lessThan": "f0a83d0a4b7c127d32ac06d607a9214937716129",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec8a8f3c31ddef0a7d9626c4b8a4baa30f3b80aa",
        "lessThan": "35f1943d242e1b9f0b6e91c0c93bfb293a9f8224",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec8a8f3c31ddef0a7d9626c4b8a4baa30f3b80aa",
        "lessThan": "baed0d9ba91d4f390da12d5039128ee897253d60",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/netfilter/nf_conntrack_h323_asn1.c"
    ],
    "versions": [
      {
        "version": "4.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.252",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.202",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.165",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.128",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.75",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.16",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.19.6",
        "lessThanOrEqual": "6.19.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Jun 2026 10:49Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.2
EPSS0.00463
26