CVE-2024-43688 Information

Description

cron/entry.c in vixie cron before 9cc8ab1 as used in OpenBSD 7.4 and 7.5 allows a heap-based buffer underflow and memory corruption. NOTE: this issue was introduced during a May 2023 refactoring.

Reference

https://www.supernetworks.org/advisories/CVE-2024-43688-openbsd-cron-heap-underflow.txt https://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712