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Vulnerability Details CVE-2019-7309

In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly return zero (indicating that the inputs are equal) because the RDX most significant bit is mishandled.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 33.6%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 2.1
Products affected by CVE-2019-7309
  • Gnu » Glibc » Version: 2.12
    cpe:2.3:a:gnu:glibc:2.12
  • Gnu » Glibc » Version: 2.17
    cpe:2.3:a:gnu:glibc:2.17
  • Gnu » Glibc » Version: 2.18
    cpe:2.3:a:gnu:glibc:2.18
  • Gnu » Glibc » Version: 2.20
    cpe:2.3:a:gnu:glibc:2.20
  • Gnu » Glibc » Version: 2.22
    cpe:2.3:a:gnu:glibc:2.22
  • Gnu » Glibc » Version: 2.23
    cpe:2.3:a:gnu:glibc:2.23
  • Gnu » Glibc » Version: 2.26
    cpe:2.3:a:gnu:glibc:2.26
  • Gnu » Glibc » Version: 2.27
    cpe:2.3:a:gnu:glibc:2.27
  • Gnu » Glibc » Version: 2.28
    cpe:2.3:a:gnu:glibc:2.28
  • Gnu » Glibc » Version: 2.29
    cpe:2.3:a:gnu:glibc:2.29


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