cve@mitre.org reports:
+++CVE-2021-42612: A use after free in cleanup_index in index.c in Halibut 1.2 allows + an attacker to cause a segmentation fault or possibly have other + unspecified impact via a crafted text document.
+
++CVE-2021-42613: A double free in cleanup_index in index.c in Halibut 1.2 allows an + attacker to cause a denial of service or possibly have other + unspecified impact via a crafted text document.
+
++ +CVE-2021-42614: A use after free in info_width_internal in bk_info.c in Halibut 1.2 + allows an attacker to cause a segmentation fault or possibly have + unspecified other impact via a crafted text document.
+