Upstream has released: https://www.mozilla.org/en-US/firefox/115.0.2/releasenotes/ Reproducible: Always
One of the bug fixes in 115.0.2 is this potentially exploitable security fix, rated as High risk: https://www.mozilla.org/en-US/security/advisories/mfsa2023-26/
FEDORA-2023-d5759f1edb has been submitted as an update to Fedora 38. https://bodhi.fedoraproject.org/updates/FEDORA-2023-d5759f1edb
FEDORA-2023-d5759f1edb has been pushed to the Fedora 38 stable repository. If problem still persists, please make note of it in this bug report.