All vulnerabilities

Servers and applications

CVE-2023-6246

A heap-based buffer overflow was found in the __vsyslog_internal function of the glibc library. This function is called by the syslog and vsyslog functions. This issue occurs when the openlog function was not called, or called with the ident argument set to NULL, and the program name (the basename of argv[0]) is bigger than 1024 bytes, resulting in an application crash or local privilege…

Severity
High 7.8
Published
31 Jan 2024
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.39
Sources
NVD

Affected software

SoftwareAffected versions
GNU C LibraryServers and applications · cpe:a:gnu:glibc
  • From 2.36 before 2.39

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-6246
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-6246