DEBIAN-CVE-2026-56412 - debian/expat
libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a use-after-free can occur. NOTE: this issue exists because of an incomplete fix for CVE-2026-50219.
CWE-416 / CVSS 4.9 (MEDIUM)
Evidence
- imported from OSV Debian, untriaged
History
- 2026-10-28: pending-human-approval - bulk import