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Misc/NEWS.d/next/Security
- 2026-08-11-15-24-21.gh-issue-155558.yDsXZC.rst
Modules/expat

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`‎Misc/NEWS.d/next/Security/2026-08-11-15-24-21.gh-issue-155558.yDsXZC.rst‎`

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+2Lines changed: 2 additions & 0 deletions

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`@@ -0,0 +1,2 @@`
	`1`	+Update bundled `libexpat <https://libexpat.github.io/>`_ to version 2.8.3
	`2`	+for the fix to `CVE-2026-72522 <https://www.cve.org/CVERecord?id=CVE-2026-72522>`_.

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`‎Modules/expat/ascii.h‎`

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`@@ -31,6 +31,8 @@`
`31`	`31`	`DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR`
`32`	`32`	`OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE`
`33`	`33`	`USE OR OTHER DEALINGS IN THE SOFTWARE.`
	`34`	`+`
	`35`	`+ SPDX-License-Identifier: MIT`
`34`	`36`	`*/`
`35`	`37`
`36`	`38`	`#define ASCII_A 0x41`

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`‎Modules/expat/asciitab.h‎`

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`@@ -30,6 +30,8 @@`
`30`	`30`	`DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR`
`31`	`31`	`OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE`
`32`	`32`	`USE OR OTHER DEALINGS IN THE SOFTWARE.`
	`33`	`+`
	`34`	`+ SPDX-License-Identifier: MIT`
`33`	`35`	`*/`
`34`	`36`
`35`	`37`	`/* 0x00 */ BT_NONXML, BT_NONXML, BT_NONXML, BT_NONXML,`

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`‎Modules/expat/expat.h‎`

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+3-1Lines changed: 3 additions & 1 deletion

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`@@ -40,6 +40,8 @@`
`40`	`40`	`DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR`
`41`	`41`	`OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE`
`42`	`42`	`USE OR OTHER DEALINGS IN THE SOFTWARE.`
	`43`	`+`
	`44`	`+ SPDX-License-Identifier: MIT`
`43`	`45`	`*/`
`44`	`46`
`45`	`47`	`#ifndef Expat_INCLUDED`
`@@ -1094,7 +1096,7 @@ XML_SetReparseDeferralEnabled(XML_Parser parser, XML_Bool enabled);`
`1094`	`1096`	`*/`
`1095`	`1097`	`# define XML_MAJOR_VERSION 2`
`1096`	`1098`	`# define XML_MINOR_VERSION 8`
`1097`		`-# define XML_MICRO_VERSION 2`
	`1099`	`+# define XML_MICRO_VERSION 3`
`1098`	`1100`
`1099`	`1101`	`# ifdef __cplusplus`
`1100`	`1102`	`}`

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`‎Modules/expat/expat_external.h‎`

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`@@ -36,6 +36,8 @@`
`36`	`36`	`DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR`
`37`	`37`	`OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE`
`38`	`38`	`USE OR OTHER DEALINGS IN THE SOFTWARE.`
	`39`	`+`
	`40`	`+ SPDX-License-Identifier: MIT`
`39`	`41`	`*/`
`40`	`42`
`41`	`43`	`#ifndef Expat_External_INCLUDED`

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`‎Modules/expat/fallthrough.h‎`

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`@@ -27,6 +27,8 @@`
`27`	`27`	`DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR`
`28`	`28`	`OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE`
`29`	`29`	`USE OR OTHER DEALINGS IN THE SOFTWARE.`
	`30`	`+`
	`31`	`+ SPDX-License-Identifier: MIT`
`30`	`32`	`*/`
`31`	`33`
`32`	`34`	`#ifndef FALLTHROUGH_H`

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`‎Modules/expat/iasciitab.h‎`

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`@@ -30,6 +30,8 @@`
`30`	`30`	`DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR`
`31`	`31`	`OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE`
`32`	`32`	`USE OR OTHER DEALINGS IN THE SOFTWARE.`
	`33`	`+`
	`34`	`+ SPDX-License-Identifier: MIT`
`33`	`35`	`*/`
`34`	`36`
`35`	`37`	`/* Like asciitab.h, except that 0xD has code BT_S rather than BT_CR */`

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`‎Modules/expat/internal.h‎`

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+5-12Lines changed: 5 additions & 12 deletions

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`@@ -53,6 +53,8 @@`
`53`	`53`	`DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR`
`54`	`54`	`OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE`
`55`	`55`	`USE OR OTHER DEALINGS IN THE SOFTWARE.`
	`56`	`+`
	`57`	`+ SPDX-License-Identifier: MIT`
`56`	`58`	`*/`
`57`	`59`
`58`	`60`	`#if defined(__GNUC__) && defined(__i386__) && ! defined(__MINGW32__)`
`@@ -123,20 +125,11 @@`
`123`	`125`	`# define EXPAT_FMT_SIZE_T(midpart) "%" midpart "u"`
`124`	`126`	`# endif`
`125`	`127`	`#else`
	`128`	`+# include <inttypes.h> // PRIdPTR, PRIuPTR`
`126`	`129`	`# define EXPAT_FMT_LLX(midpart) "%" midpart "llx"`
`127`	`130`	`# define EXPAT_FMT_ULL(midpart) "%" midpart "llu"`
`128`		`-# if ! defined(ULONG_MAX)`
`129`		`-# error Compiler did not define ULONG_MAX for us`
`130`		`-# elif ULONG_MAX == 18446744073709551615u // 2^64-1`
`131`		`-# define EXPAT_FMT_PTRDIFF_T(midpart) "%" midpart "ld"`
`132`		`-# define EXPAT_FMT_SIZE_T(midpart) "%" midpart "lu"`
`133`		`-# elif defined(__wasm32__) // 32bit mode Emscripten or WASI SDK`
`134`		`-# define EXPAT_FMT_PTRDIFF_T(midpart) "%" midpart "ld"`
`135`		`-# define EXPAT_FMT_SIZE_T(midpart) "%" midpart "zu"`
`136`		`-# else`
`137`		`-# define EXPAT_FMT_PTRDIFF_T(midpart) "%" midpart "d"`
`138`		`-# define EXPAT_FMT_SIZE_T(midpart) "%" midpart "u"`
`139`		`-# endif`
	`131`	`+# define EXPAT_FMT_PTRDIFF_T(midpart) "%" midpart PRIdPTR`
	`132`	`+# define EXPAT_FMT_SIZE_T(midpart) "%" midpart PRIuPTR`
`140`	`133`	`#endif`
`141`	`134`
`142`	`135`	`#ifndef UNUSED_P`

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`‎Modules/expat/latin1tab.h‎`

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`@@ -30,6 +30,8 @@`
`30`	`30`	`DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR`
`31`	`31`	`OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE`
`32`	`32`	`USE OR OTHER DEALINGS IN THE SOFTWARE.`
	`33`	`+`
	`34`	`+ SPDX-License-Identifier: MIT`
`33`	`35`	`*/`
`34`	`36`
`35`	`37`	`/* 0x80 */ BT_OTHER, BT_OTHER, BT_OTHER, BT_OTHER,`

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`‎Modules/expat/memory_sanitizer.h‎`

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`@@ -27,6 +27,8 @@`
`27`	`27`	`DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR`
`28`	`28`	`OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE`
`29`	`29`	`USE OR OTHER DEALINGS IN THE SOFTWARE.`
	`30`	`+`
	`31`	`+ SPDX-License-Identifier: MIT`
`30`	`32`	`*/`
`31`	`33`
`32`	`34`	`#if ! defined(MEMORY_SANITIZER_H)`

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