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CVE-2020-6096

An exploitable signed comparison vulnerability exists in the ARMv7 memcpy() implementation of GNU glibc 2.30.9000. Calling memcpy() (on ARMv7 targets that utilize the GNU glibc implementation) with a negative value for the 'num' parameter results in a signed comparison vulnerability. If an attacker underflows the 'num' parameter to memcpy(), this vulnerability could lead to undefined behavior…

Severity
High 8.1
Published
1 Apr 2020
Last changed
14 Oct 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
GNU C LibraryServers and applications · cpe:a:gnu:glibc
  • Every version up to 2.31

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-6096
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-6096