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expat: Fix CVE-2022-25235 - missing UTF-8 encoding validation in xmltok_impl.c #1

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rajc6h6 commented 2026-03-10 17:56:03 +00:00
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  • Added IS_INVALID_CHAR guard in CHECK_NAME_CASE macro
  • Added IS_INVALID_CHAR guard in CHECK_NMSTRT_CASE macro
  • Added IS_INVALID_CHAR guard in prologTok LEAD_CASE block

Backport of upstream libexpat fix from v2.4.5 (PR #562).
Closes #290

- Added IS_INVALID_CHAR guard in CHECK_NAME_CASE macro - Added IS_INVALID_CHAR guard in CHECK_NMSTRT_CASE macro - Added IS_INVALID_CHAR guard in prologTok LEAD_CASE block Backport of upstream libexpat fix from v2.4.5 (PR #562). Closes #290
rajc6h6 added 1 commit 2026-03-10 17:56:06 +00:00
expat: Fix CVE-2022-25235 - missing UTF-8 encoding validation in xmltok_impl.c df3d394e9e 
- Added IS_INVALID_CHAR guard in CHECK_NAME_CASE macro
- Added IS_INVALID_CHAR guard in CHECK_NMSTRT_CASE macro
- Added IS_INVALID_CHAR guard in prologTok LEAD_CASE block

Backport of upstream libexpat fix from v2.4.5 (PR #562).
Closes #290
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Reference: rajc6h6/kolibrios#1