systemd is vulnerable to denial of service. The vulnerability exists in format_timespan()
function of time-util.c
which allows an attacker to supply specific values for time and accuracy that leads to application crash.
bugzilla.redhat.com/show_bug.cgi?id=2139327
github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e
github.com/systemd/systemd/issues/23928
github.com/systemd/systemd/pull/23933
lists.debian.org/debian-lts-announce/2023/06/msg00036.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/
lists.fedoraproject.org/archives/list/[email protected]/message/RVBQC2VLSDVQAPJTEMTREXDL4HYLXG2P/
security-tracker.debian.org/tracker/CVE-2022-3821
security.gentoo.org/glsa/202305-15