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CVE-2026-97399 One-byte overread in strncasecmp on Power8

🗓️ 28 Sep 2026 15:21:02Reported by glibcType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

The strncasecmp function in the GNU C Library 2.24 and later optimized for the Power8 architecture may read one byte beyond the input size limit, which may crash a program when that byte is not readable. This condition may happen when the input st...

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Affected
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ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-97399
28 Sep 202615:21
–cve
euvd
EUVD
EUVD-2026-88320
28 Sep 202615:21
–euvd
nvd
NVD
CVE-2026-97399
28 Sep 202616:17
–nvd
[
  {
    "vendor": "The GNU C Library",
    "product": "glibc",
    "platforms": [
      "Power8"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "2.24",
        "lessThan": "2.45",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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28 Sep 2026 15:21Current
CVSS 3.13.7
4