An Use-After-Free vulnerability in rec_mset_elem_destroy() at rec-mset.c of GNU Recutils v1.8.90 can lead to a segmentation fault or application crash.
github.com/gnu-mirror-unofficial/recutils/commit/34b75ed7ad492c8e38b669ebafe0176f1f9992d2
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TDVOFC3HTBG7DF2PZTEXRMG4CV2F55UF/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VRSXSN2XF6PX74WDYVV26TQMYIFAEQ3T/
lists.gnu.org/archive/html/bug-recutils/2021-12/msg00007.html
nvd.nist.gov/vuln/detail/CVE-2021-46022