A flaw was found in GLib. An integer overflow and buffer under-read occur when parsing a long invalid ISO 8601 timestamp with the g_date_time_new_from_iso8601() function.
https://www.cisa.gov/news-events/ics-advisories/icsa-26-043-06
https://lists.debian.org/debian-lts-announce/2025/04/msg00024.html