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[3.10] gh-156723: Update bundled libexpat to version 2.8.4 (GH-156724) #156787

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Merged
pablogsal merged 3 commits into from
Sep 27, 2026
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[3.10] gh-156723: Update bundled libexpat to version 2.8.4 (GH-156724) #156787

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[3.10] gh-156723: Update bundled libexpat to version 2.8.4 (GH-156724)
StanFromIreland Aug 31, 2026
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StanFromIreland Sep 1, 2026
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StanFromIreland Sep 1, 2026
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[3.10] gh-156723: Update bundled libexpat to version 2.8.4 (GH-156724) 
(cherry picked from commit 287b7cf)

Co-authored-by: Stan Ulbrych <stan@python.org>
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@StanFromIreland
StanFromIreland committed Sep 1, 2026
commit eae82cddda9bac2fe59eba68bbba7fa0e4904e2d
2 changes: 0 additions & 2 deletions Misc/NEWS.d/next/Security/2026-08-11-15-24-21.gh-issue-155558.yDsXZC.rst
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6 changes: 6 additions & 0 deletions Misc/NEWS.d/next/Security/2026-08-31-16-47-33.gh-issue-156723.KxCF5N.rst
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@@ -0,0 +1,6 @@
<<<<<<< HEAD:Misc/NEWS.d/next/Security/2026-08-11-15-24-21.gh-issue-155558.yDsXZC.rst
Update bundled `libexpat <https://libexpat.github.io/>`_ to version 2.8.3
for the fix to `CVE-2026-72522 <https://www.cve.org/CVERecord?id=CVE-2026-72522>`_.
=======
Update bundled `libexpat <https://libexpat.github.io/>`_ to version 2.8.4.
>>>>>>> 287b7cffb79 (gh-156723: Update bundled libexpat to version 2.8.4 (#156724)):Misc/NEWS.d/next/Security/2026-08-31-16-47-33.gh-issue-156723.KxCF5N.rst
2 changes: 1 addition & 1 deletion Modules/expat/expat.h
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Expand Up @@ -1096,7 +1096,7 @@ XML_SetReparseDeferralEnabled(XML_Parser parser, XML_Bool enabled);
*/
# define XML_MAJOR_VERSION 2
# define XML_MINOR_VERSION 8
# define XML_MICRO_VERSION 3
# define XML_MICRO_VERSION 4

# ifdef __cplusplus
}
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1 change: 1 addition & 0 deletions Modules/expat/internal.h
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Expand Up @@ -33,6 +33,7 @@
Copyright (c) 2019 David Loffredo <loffredo@steptools.com>
Copyright (c) 2023-2024 Sony Corporation / Snild Dolkow <snild@sony.com>
Copyright (c) 2024 Taichi Haradaguchi <20001722@ymail.ne.jp>
Copyright (c) 2026 Matthew Wozniczka <mattheww@simba.com>
Licensed under the MIT license:

Permission is hereby granted, free of charge, to any person obtaining
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6 changes: 3 additions & 3 deletions Modules/expat/refresh.sh
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Expand Up @@ -12,9 +12,9 @@ fi

# Update this when updating to a new version after verifying that the changes
# the update brings in are good. These values are used for verifying the SBOM, too.
expected_libexpat_tag="R_2_8_3"
expected_libexpat_version="2.8.3"
expected_libexpat_sha256="22920a86c83f32300b11463635b71f11137a917975af297725e55525027d4e50"
expected_libexpat_tag="R_2_8_4"
expected_libexpat_version="2.8.4"
expected_libexpat_sha256="b8ece2437692dad44d851c4532723390a5a330990007706be9c8d2b90d294f36"

expat_dir="$(realpath "$(dirname -- "${BASH_SOURCE[0]}")")"
cd ${expat_dir}
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