Redhat Enterprise Linux For Ibm Z Systems S390X vulnerabilities

CVE-2023-4806 [MEDIUM] CWE-416 CVE-2023-4806: A flaw has been identified in glibc. In an extremely rare situation, the getaddrinfo function may ac 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 r

CVE-2023-4527 [MEDIUM] CWE-121 CVE-2023-4527: A flaw was found in glibc. When the getaddrinfo function is called with the AF_UNSPEC address family A flaw was found in glibc. When the getaddrinfo function is called with the AF_UNSPEC address family and the system is configured with no-aaaa mode via /etc/resolv.conf, a DNS response via TCP larger than 2048 bytes can potentially disclose stack contents through the function returned address data, and may cause a crash.

CVE-2023-4813 [MEDIUM] CWE-416 CVE-2023-4813: A flaw has been identified in glibc. In an uncommon situation, the gaih_inet function may use memory A flaw has been identified in glibc. In an uncommon situation, the gaih_inet function may use memory that has been freed, resulting in an application crash. This issue is only exploitable when the getaddrinfo function is called and the hosts database in /etc/nsswitch.conf is configured with SUCCESS=continue or SUCCESS=merge.