Tor before 0.4.9.7 mishandles accounting of the conflux out-of-order queue during the clearing of a queue, aka TROVE-2026-010.
https://www.openwall.com/lists/oss-security/2026/05/06/8
https://gitlab.torproject.org/tpo/core/tor/-/work_items/41251
https://gitlab.torproject.org/tpo/core/tor/-/commit/a198185ed863677d60eec120126730628dac35bb
https://forum.torproject.org/c/news/tor-release-announcement/28