gh-126037: fix UAF in xml.etree.ElementTree.Element.find* when concurrent mutations happen#127964
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picnixz merged 7 commits intopython:mainfrom Mar 31, 2025
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needs backport to 3.12
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xml.etree.ElementTree.Element.find* with tag's custom str.__eq__xml.etree.ElementTree.Element.find* when concurrent mutations happen
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Misc/NEWS.d/next/Library/2024-12-15-15-07-22.gh-issue-126037.OyA7JP.rst
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Thanks @picnixz for the PR 🌮🎉.. I'm working now to backport this PR to: 3.12, 3.13. |
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Sorry, @picnixz, I could not cleanly backport this to |
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Sorry, @picnixz, I could not cleanly backport this to |
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…n concurrent mutations happen (python#127964) We fix a use-after-free in the `find`, `findtext` and `findall` methods of `xml.etree.ElementTree.Element` objects that can be triggered when the tag to find implements an `__eq__` method that mutates the element being queried.
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GH-131931 is a backport of this pull request to the 3.13 branch. |
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GH-131932 is a backport of this pull request to the 3.12 branch. |
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xml.etree.ElementTree.Element.find* when concurrent mutations happenxml.etree.ElementTree.Element.find* when concurrent mutations happen
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…en concurrent mutations happen (#127964) (#131932) gh-126037: fix UAF in `xml.etree.ElementTree.Element.find*` when concurrent mutations happen (#127964) We fix a use-after-free in the `find`, `findtext` and `findall` methods of `xml.etree.ElementTree.Element` objects that can be triggered when the tag to find implements an `__eq__` method that mutates the element being queried. (cherry picked from commit c57623c)
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…en current mutations happen (#127964) (#131931) gh-126037: fix UAF in `xml.etree.ElementTree.Element.find*` when concurrent mutations happen (#127964) We fix a use-after-free in the `find`, `findtext` and `findall` methods of `xml.etree.ElementTree.Element` objects that can be triggered when the tag to find implements an `__eq__` method that mutates the element being queried. (cherry picked from commit c57623c)
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xml.etree.ElementTree.Element.find*when concurrent mutations happen #126037