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EUVD-2026-110834

🗓️ 27 Oct 2026 13:07:51Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 2 Views

Heap out-of-bounds read in zchunk read_preface() causes application crash.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-117556
27 Oct 202613:37
–circl
cve
CVE
CVE-2026-117556
27 Oct 202613:07
–cve
cvelist
Cvelist
CVE-2026-117556 zchunk before 1.5.5 Heap Out-of-Bounds Read via read_preface()
27 Oct 202613:07
–cvelist
nvd
NVD
CVE-2026-117556
27 Oct 202614:16
–nvd
ptsecurity
Positive Technologies
PT-2026-126415
27 Oct 202600:00
–ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "542a6f08-cada-3734-8df8-4870445003ec",
        "vendor": {
          "name": "zchunk"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "ee9f90bc-1ad9-39aa-b059-6c6b6db0794f",
        "product": {
          "name": "zchunk",
          "vendor": {
            "name": "Microsoft"
          }
        },
        "product_version": "0 <1.5.5"
      }
    ]
  }
]

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27 Oct 2026 13:07Current
6.3Medium risk
Vulners AI Score6.3
CVSS 45.3
CVSS 3.14.3
2