CVE-2026-53263

🗓️ 25 Jun 2026 08:39:51Reported by LinuxType

Linux kernel 6lowpan fixes off-by-one in multicast address compression and zero-initializes data to prevent RIID corruption.

Reporter	Title	Published	Views	Family All 7
ATTACKERKB	CVE-2026-53263	25 Jun 202608:39	–	attackerkb
Circl	CVE-2026-53263	25 Jun 202609:55	–	circl
Cvelist	CVE-2026-53263 6lowpan: fix off-by-one in multicast context address compression	25 Jun 202608:39	–	cvelist
Debian CVE	CVE-2026-53263	25 Jun 202608:39	–	debiancve
EUVD	EUVD-2026-39214	25 Jun 202608:39	–	euvd
NVD	CVE-2026-53263	25 Jun 202609:16	–	nvd
Positive Technologies	PT-2026-52358	25 Jun 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange4.6–5.10.259

linux linux_kernelRange5.11.0–5.15.210

linux linux_kernelRange5.16.0–6.1.176

linux linux_kernelRange6.2.0–6.6.143

linux linux_kernelRange6.7.0–6.12.94

linux linux_kernelRange6.13.0–6.18.36

linux linux_kernelRange6.19.0–7.0.13

linux linux_kernelRange7.1.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/6lowpan/iphc.c"
    ],
    "versions": [
      {
        "version": "5609c185f24dffca5f6a9c127106869da150be03",
        "lessThan": "f24a58c72a45f4c109f3557a760cc4b60b7a6037",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5609c185f24dffca5f6a9c127106869da150be03",
        "lessThan": "da8cbb64b47e9066b40af0de170901caf17b768c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5609c185f24dffca5f6a9c127106869da150be03",
        "lessThan": "4485d79617520d84ba5a14515e2b5136007d6deb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5609c185f24dffca5f6a9c127106869da150be03",
        "lessThan": "06ce6fc106b16dec9b535950db626261be865e5b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5609c185f24dffca5f6a9c127106869da150be03",
        "lessThan": "dcb1bec1c32ee5c3878354e087cf5dbee2b7c7af",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5609c185f24dffca5f6a9c127106869da150be03",
        "lessThan": "c32f30ef5e66adbfa102348e2e8a23776eb007cb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5609c185f24dffca5f6a9c127106869da150be03",
        "lessThan": "da8808463882c3f3c357b072e25053c2121f1419",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5609c185f24dffca5f6a9c127106869da150be03",
        "lessThan": "2a58899d11009bffc7b4b32a571858f381121837",
        "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/6lowpan/iphc.c"
    ],
    "versions": [
      {
        "version": "4.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.94",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.36",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.13",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/4485d79617520d84ba5a14515e2b5136007d6deb
git	www.git.kernel.org/stable/c/f24a58c72a45f4c109f3557a760cc4b60b7a6037
git	www.git.kernel.org/stable/c/da8cbb64b47e9066b40af0de170901caf17b768c
git	www.git.kernel.org/stable/c/c32f30ef5e66adbfa102348e2e8a23776eb007cb
git	www.git.kernel.org/stable/c/2a58899d11009bffc7b4b32a571858f381121837
git	www.git.kernel.org/stable/c/dcb1bec1c32ee5c3878354e087cf5dbee2b7c7af
git	www.git.kernel.org/stable/c/06ce6fc106b16dec9b535950db626261be865e5b
git	www.git.kernel.org/stable/c/da8808463882c3f3c357b072e25053c2121f1419

25 Jun 2026 09:16Current

5.7Medium risk

Vulners AI Score5.7