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[3.9] gh-115398: Expose Expat >=2.6.0 reparse deferral API (CVE-2023-52425) (GH-115623) #116272

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ambv merged 3 commits into from
Mar 6, 2024
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[3.9] gh-115398: Expose Expat >=2.6.0 reparse deferral API (CVE-2023-52425) (GH-115623) #116272

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gh-115398: Expose Expat >=2.6.0 reparse deferral API (CVE-2023-52425)…
hartwork Feb 29, 2024
d1e179d
gh-115398: Suggest use of `hasattr` with checking for 3.13 Expat API …
hartwork Mar 6, 2024
fb1edd5
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gpshead Mar 4, 2024
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gh-115398: Suggest use of hasattr with checking for 3.13 Expat API … 
…availability (GH-116278)

Suggest use of "hasattr" with checking for 3.13 Expat API availability

(cherry picked from commit 73807eb)
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@hartwork
hartwork committed Mar 6, 2024
commit d1e179d16596a9f4b230953c658b323c5d495b8a
5 changes: 5 additions & 0 deletions Doc/library/pyexpat.rst
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Expand Up @@ -217,6 +217,11 @@ XMLParser Objects
Calling ``SetReparseDeferralEnabled(True)`` allows re-enabling reparse
deferral.

Note that :meth:`SetReparseDeferralEnabled` has been backported to some
prior releases of CPython as a security fix. Check for availability of
:meth:`SetReparseDeferralEnabled` using :func:`hasattr` if used in code
running across a variety of Python versions.

.. versionadded:: 3.9.19

.. method:: xmlparser.GetReparseDeferralEnabled()
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10 changes: 10 additions & 0 deletions Doc/library/xml.etree.elementtree.rst
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Expand Up @@ -1367,6 +1367,11 @@ XMLParser Objects
Disabling reparse deferral has security consequences; please see
:meth:`xml.parsers.expat.xmlparser.SetReparseDeferralEnabled` for details.

Note that :meth:`flush` has been backported to some prior releases of
CPython as a security fix. Check for availability of :meth:`flush`
using :func:`hasattr` if used in code running across a variety of Python
versions.

.. versionadded:: 3.9.19


Expand Down Expand Up @@ -1440,6 +1445,11 @@ XMLPullParser Objects
Disabling reparse deferral has security consequences; please see
:meth:`xml.parsers.expat.xmlparser.SetReparseDeferralEnabled` for details.

Note that :meth:`flush` has been backported to some prior releases of
CPython as a security fix. Check for availability of :meth:`flush`
using :func:`hasattr` if used in code running across a variety of Python
versions.

.. versionadded:: 3.9.19

.. method:: close()
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