Upgrade bundled expat to 2.5.0 · Issue #98739 · python/cpython (original) (raw)

Upgrade the bundled libexpat version to 2.5.0 which includes a fix for CVE-2022-43680. I haven't evaluated whether CPython is directly impacted by this CVE, but can confirm that it is detected by binary analysis tools such as Black Duck.

Related libexpat changelog includes additional fixes and details.