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EUVD-2026-23978

🗓️ 20 Apr 2026 21:31:46Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

Using scanf with %mc and a width over 1024 in glibc 2.7 to 2.43 can cause a one byte heap overflow.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-5450
20 Apr 202620:55
attackerkb
Chainguard
CVE-2026-5450 vulnerabilities
1 May 202619:17
cgr
Circl
CVE-2026-5450
20 Apr 202622:26
circl
CNNVD
GNU C Library 安全漏洞
20 Apr 202600:00
cnnvd
CVE
CVE-2026-5450
20 Apr 202620:55
cve
Cvelist
CVE-2026-5450 scanf %mc off-by-one heap buffer overflow
20 Apr 202620:55
cvelist
Debian CVE
CVE-2026-5450
20 Apr 202620:55
debiancve
Fedora
[SECURITY] Fedora 44 Update: glibc-2.43-4.fc44
2 May 202602:12
fedora
Fedora
[SECURITY] Fedora 43 Update: glibc-2.42-12.fc43
3 May 202601:18
fedora
Tenable Nessus
Fedora 43 : glibc (2026-4b7780802c)
5 May 202600:00
nessus
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "60bda835-1f80-36d4-acb8-67e1ffb6a64b",
        "vendor": {
          "name": "The GNU C Library"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "bbae7cdb-5974-3734-91e6-f31665f1b99f",
        "product": {
          "name": "glibc"
        },
        "product_version": "2.7 <*"
      }
    ]
  }
]

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20 Apr 2026 21:31Current
6.1Medium risk
Vulners AI Score6.1
EPSS0.00073
3