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CVE-2026-12235

🗓️ 12 Aug 2026 04:55:15Reported by zephyrType 
cve
 cve
🔗 web.nvd.nist.gov👁 10 Views

Xtensa llext PLT relocation allows unvalidated out-of-bounds write in supervisor context via malformed ELF.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-12235
12 Aug 202604:55
attackerkb
cvelist
Cvelist
CVE-2026-12235 Out-of-bounds write in Xtensa llext PLT relocation from malformed ELF (CWE-787)
12 Aug 202604:55
cvelist
euvd
EUVD
EUVD-2026-57070
12 Aug 202604:55
euvd
nvd
NVD
CVE-2026-12235
12 Aug 202605:17
nvd
[
  {
    "vendor": "zephyrproject",
    "product": "zephyr",
    "collectionURL": "https://github.com/zephyrproject-rtos/zephyr",
    "packageName": "zephyr",
    "defaultStatus": "unaffected",
    "programFiles": [
      "subsys/llext/llext_link.c"
    ],
    "versions": [
      {
        "version": "3.7.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "4.4.2"
      }
    ]
  }
]

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12 Aug 2026 05:17Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.16.3
10