CVE-2022-2526

CVE-2022-2526 is a use-after-free in systemd’s DNS stream handling (resolved-dns-stream.c). The root cause is that on_stream_io() and dns_stream_complete() do not increment the DnsStream reference count, allowing callbacks to dereference freed objects. Documents indicate this can lead to crashes ...

CVE-2018-21029

CVE-2018-21029 affects systemd 239–245, where DNS over TLS accepts any CA-signed certificate because hostname validation is not performed with the GnuTLS backend and SNI is not sent. This creates potential exposure of confidentiality/integrity/availability for DNS over TLS connections, with CVSS ...

CVE-2015-7510

CVE-2015-7510 is a stack-based buffer overflow in the NSS module nss-mymachines of systemd, specifically in getpwnam and getgrnam. The vulnerability is described as enabling a crash/DoS under exploitation of the NSS functions. Public references show patches/update activity (e.g., systemd commit a...