| Package | Affected versions | Patched versions |
|---|---|---|
| libexpat | < 2.8.4 | 2.8.4 |
libexpat before 2.8.4 lacks handler call depth tracking with custom encoding callbacks. Thus, a use-after-free can occur. NOTE: this is similar to CVE-2026-50219, CVE-2026-56131 and CVE-2026-56412.
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