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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-5450

Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 to version 2.43 with a format width specifier with an explicit width greater than 1024 could result in a one byte heap buffer overflow.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 11.2%
CVSS Severity
CVSS v3 Score 9.8
Products affected by CVE-2026-5450
  • Gnu » Glibc » Version: 2.10
    cpe:2.3:a:gnu:glibc:2.10
  • Gnu » Glibc » Version: 2.10.1
    cpe:2.3:a:gnu:glibc:2.10.1
  • Gnu » Glibc » Version: 2.10.2
    cpe:2.3:a:gnu:glibc:2.10.2
  • Gnu » Glibc » Version: 2.11
    cpe:2.3:a:gnu:glibc:2.11
  • Gnu » Glibc » Version: 2.11.1
    cpe:2.3:a:gnu:glibc:2.11.1
  • Gnu » Glibc » Version: 2.11.2
    cpe:2.3:a:gnu:glibc:2.11.2
  • Gnu » Glibc » Version: 2.11.3
    cpe:2.3:a:gnu:glibc:2.11.3
  • Gnu » Glibc » Version: 2.12
    cpe:2.3:a:gnu:glibc:2.12
  • Gnu » Glibc » Version: 2.12.0
    cpe:2.3:a:gnu:glibc:2.12.0
  • Gnu » Glibc » Version: 2.12.1
    cpe:2.3:a:gnu:glibc:2.12.1
  • Gnu » Glibc » Version: 2.12.2
    cpe:2.3:a:gnu:glibc:2.12.2
  • Gnu » Glibc » Version: 2.13
    cpe:2.3:a:gnu:glibc:2.13
  • Gnu » Glibc » Version: 2.14
    cpe:2.3:a:gnu:glibc:2.14
  • Gnu » Glibc » Version: 2.14.1
    cpe:2.3:a:gnu:glibc:2.14.1
  • Gnu » Glibc » Version: 2.14.9000
    cpe:2.3:a:gnu:glibc:2.14.9000
  • Gnu » Glibc » Version: 2.15
    cpe:2.3:a:gnu:glibc:2.15
  • Gnu » Glibc » Version: 2.16
    cpe:2.3:a:gnu:glibc:2.16
  • Gnu » Glibc » Version: 2.16.0
    cpe:2.3:a:gnu:glibc:2.16.0
  • Gnu » Glibc » Version: 2.16.90
    cpe:2.3:a:gnu:glibc:2.16.90
  • Gnu » Glibc » Version: 2.17
    cpe:2.3:a:gnu:glibc:2.17
  • Gnu » Glibc » Version: 2.17.90
    cpe:2.3:a:gnu:glibc:2.17.90
  • Gnu » Glibc » Version: 2.18
    cpe:2.3:a:gnu:glibc:2.18
  • Gnu » Glibc » Version: 2.18.90
    cpe:2.3:a:gnu:glibc:2.18.90
  • Gnu » Glibc » Version: 2.19
    cpe:2.3:a:gnu:glibc:2.19
  • Gnu » Glibc » Version: 2.19.90
    cpe:2.3:a:gnu:glibc:2.19.90
  • Gnu » Glibc » Version: 2.20
    cpe:2.3:a:gnu:glibc:2.20
  • Gnu » Glibc » Version: 2.20.90
    cpe:2.3:a:gnu:glibc:2.20.90
  • Gnu » Glibc » Version: 2.21
    cpe:2.3:a:gnu:glibc:2.21
  • Gnu » Glibc » Version: 2.21.90
    cpe:2.3:a:gnu:glibc:2.21.90
  • Gnu » Glibc » Version: 2.22
    cpe:2.3:a:gnu:glibc:2.22
  • Gnu » Glibc » Version: 2.22.90
    cpe:2.3:a:gnu:glibc:2.22.90
  • Gnu » Glibc » Version: 2.23
    cpe:2.3:a:gnu:glibc:2.23
  • Gnu » Glibc » Version: 2.23.90
    cpe:2.3:a:gnu:glibc:2.23.90
  • Gnu » Glibc » Version: 2.24
    cpe:2.3:a:gnu:glibc:2.24
  • Gnu » Glibc » Version: 2.24.90
    cpe:2.3:a:gnu:glibc:2.24.90
  • Gnu » Glibc » Version: 2.25
    cpe:2.3:a:gnu:glibc:2.25
  • Gnu » Glibc » Version: 2.25.90
    cpe:2.3:a:gnu:glibc:2.25.90
  • Gnu » Glibc » Version: 2.26
    cpe:2.3:a:gnu:glibc:2.26
  • Gnu » Glibc » Version: 2.26.9000
    cpe:2.3:a:gnu:glibc:2.26.9000
  • Gnu » Glibc » Version: 2.27
    cpe:2.3:a:gnu:glibc:2.27
  • Gnu » Glibc » Version: 2.27.9000
    cpe:2.3:a:gnu:glibc:2.27.9000
  • Gnu » Glibc » Version: 2.28
    cpe:2.3:a:gnu:glibc:2.28
  • Gnu » Glibc » Version: 2.28.9000
    cpe:2.3:a:gnu:glibc:2.28.9000
  • Gnu » Glibc » Version: 2.29
    cpe:2.3:a:gnu:glibc:2.29
  • Gnu » Glibc » Version: 2.29.9000
    cpe:2.3:a:gnu:glibc:2.29.9000
  • Gnu » Glibc » Version: 2.30
    cpe:2.3:a:gnu:glibc:2.30
  • Gnu » Glibc » Version: 2.30.9000
    cpe:2.3:a:gnu:glibc:2.30.9000
  • Gnu » Glibc » Version: 2.31
    cpe:2.3:a:gnu:glibc:2.31
  • Gnu » Glibc » Version: 2.31.9000
    cpe:2.3:a:gnu:glibc:2.31.9000
  • Gnu » Glibc » Version: 2.32
    cpe:2.3:a:gnu:glibc:2.32
  • Gnu » Glibc » Version: 2.32.0
    cpe:2.3:a:gnu:glibc:2.32.0
  • Gnu » Glibc » Version: 2.32.9000
    cpe:2.3:a:gnu:glibc:2.32.9000
  • Gnu » Glibc » Version: 2.33
    cpe:2.3:a:gnu:glibc:2.33
  • Gnu » Glibc » Version: 2.33.9000
    cpe:2.3:a:gnu:glibc:2.33.9000
  • Gnu » Glibc » Version: 2.34
    cpe:2.3:a:gnu:glibc:2.34
  • Gnu » Glibc » Version: 2.34.9000
    cpe:2.3:a:gnu:glibc:2.34.9000
  • Gnu » Glibc » Version: 2.35
    cpe:2.3:a:gnu:glibc:2.35
  • Gnu » Glibc » Version: 2.35.9000
    cpe:2.3:a:gnu:glibc:2.35.9000
  • Gnu » Glibc » Version: 2.36
    cpe:2.3:a:gnu:glibc:2.36
  • Gnu » Glibc » Version: 2.36.113
    cpe:2.3:a:gnu:glibc:2.36.113
  • Gnu » Glibc » Version: 2.36.9000
    cpe:2.3:a:gnu:glibc:2.36.9000
  • Gnu » Glibc » Version: 2.37
    cpe:2.3:a:gnu:glibc:2.37
  • Gnu » Glibc » Version: 2.37.38
    cpe:2.3:a:gnu:glibc:2.37.38
  • Gnu » Glibc » Version: 2.37.9000
    cpe:2.3:a:gnu:glibc:2.37.9000
  • Gnu » Glibc » Version: 2.38
    cpe:2.3:a:gnu:glibc:2.38
  • Gnu » Glibc » Version: 2.38.19
    cpe:2.3:a:gnu:glibc:2.38.19
  • Gnu » Glibc » Version: 2.38.9000
    cpe:2.3:a:gnu:glibc:2.38.9000
  • Gnu » Glibc » Version: 2.39
    cpe:2.3:a:gnu:glibc:2.39
  • Gnu » Glibc » Version: 2.39.9000
    cpe:2.3:a:gnu:glibc:2.39.9000
  • Gnu » Glibc » Version: 2.40
    cpe:2.3:a:gnu:glibc:2.40
  • Gnu » Glibc » Version: 2.40.9000
    cpe:2.3:a:gnu:glibc:2.40.9000
  • Gnu » Glibc » Version: 2.41
    cpe:2.3:a:gnu:glibc:2.41
  • Gnu » Glibc » Version: 2.41.9000
    cpe:2.3:a:gnu:glibc:2.41.9000
  • Gnu » Glibc » Version: 2.7
    cpe:2.3:a:gnu:glibc:2.7
  • Gnu » Glibc » Version: 2.8
    cpe:2.3:a:gnu:glibc:2.8
  • Gnu » Glibc » Version: 2.9
    cpe:2.3:a:gnu:glibc:2.9


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