All vulnerabilities

Servers and applications

CVE-2023-4806

A flaw has been identified in glibc. In an extremely rare situation, the getaddrinfo function may access memory that has been freed, resulting in an application crash. This issue is only exploitable when a NSS module implements only the _nss_*_gethostbyname2_r and _nss_*_getcanonname_r hooks without implementing the _nss_*_gethostbyname3_r hook. The resolved name should return a large number of…

Severity
Medium 5.9
Published
18 Sept 2023
Last changed
14 Jul 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
GNU C LibraryServers and applications · cpe:a:gnu:glibc
  • Version 2.33

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-4806
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-4806