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GeezerVison is showing github.com — [3.8] gh-121285: Remove backtracking when parsing tarfile headers (GH-121286) by sethmlarson · Pull Request #123642 · python/cpython

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@sethmlarson

@sethmlarson sethmlarson commented Sep 3, 2024 •
edited by bedevere-app Bot
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  • Remove backtracking when parsing tarfile headers
  • Rewrite PAX header parsing to be stricter
  • Optimize parsing of GNU extended sparse headers v0.0

(cherry picked from commit 34ddb64)

  • Issue: Remove backtracking from parsing tarfile members and headers #121285

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@sethmlarson @Eclips4 @gpshead
[3.8] pythongh-121285: Remove backtracking when parsing tarfile heade…
80b31d4
…rs (pythonGH-121286)

* Remove backtracking when parsing tarfile headers
* Rewrite PAX header parsing to be stricter
* Optimize parsing of GNU extended sparse headers v0.0

(cherry picked from commit 34ddb64)

Co-authored-by: Seth Michael Larson <[email protected]>
Co-authored-by: Kirill Podoprigora <[email protected]>
Co-authored-by: Gregory P. Smith <[email protected]>
@sethmlarson sethmlarson added type-security A security issue release-blocker labels Sep 3, 2024
@sethmlarson
sethmlarson requested a review from ambv September 3, 2024 14:59
@bedevere-app bedevere-app Bot added the awaiting review label Sep 3, 2024
This was referenced Sep 3, 2024
gh-121285: Remove backtracking when parsing tarfile headers #121286
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Remove backtracking from parsing tarfile members and headers #121285
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@sethmlarson
Conform to error before all messages were included
75bc389
@sethmlarson

sethmlarson commented Sep 4, 2024

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The latest push should fix the errors, this was the same issue as 3.9: #123641 (comment)

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@ambv
ambv merged commit 7d1f50c into python:3.8 Sep 4, 2024
@bedevere-app bedevere-app Bot removed the awaiting review label Sep 4, 2024
frenzymadness pushed a commit to frenzymadness/cpython that referenced this pull request Sep 5, 2024
@sethmlarson @Eclips4
@gpshead @frenzymadness
00437: [3.8] pythongh-121285: Remove backtracking when parsing tarfil…
182d6ca
…e headers (pythonGH-121286) (python#123642)

* Remove backtracking when parsing tarfile headers
* Rewrite PAX header parsing to be stricter
* Optimize parsing of GNU extended sparse headers v0.0

(cherry picked from commit 34ddb64)

Co-authored-by: Seth Michael Larson <[email protected]>
Co-authored-by: Kirill Podoprigora <[email protected]>
Co-authored-by: Gregory P. Smith <[email protected]>
@frenzymadness frenzymadness mentioned this pull request Sep 5, 2024
00437: [3.8] gh-121285: Remove backtracking when parsing tarfile head… fedora-python/cpython#87
Merged
frenzymadness added a commit to frenzymadness/cpython that referenced this pull request Sep 5, 2024
@sethmlarson @Eclips4
@gpshead @frenzymadness
00437: [3.8] pythongh-121285: Remove backtracking when parsing tarfil…
3209abb
…e headers (pythonGH-121286) (python#123642)

* Remove backtracking when parsing tarfile headers
* Rewrite PAX header parsing to be stricter
* Optimize parsing of GNU extended sparse headers v0.0

(cherry picked from commit 34ddb64)

Co-authored-by: Seth Michael Larson <[email protected]>
Co-authored-by: Kirill Podoprigora <[email protected]>
Co-authored-by: Gregory P. Smith <[email protected]>
Co-authored-by: Lumír Balhar <[email protected]>
@mcepl

mcepl commented Dec 2, 2024

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My backport of fix for Python 3.6 is at openSUSE-Python@bfc7d56.

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@sethmlarson
sethmlarson deleted the backport-34ddb64-3.8 branch December 2, 2024 14:32
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release-blocker type-security A security issue

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@sethmlarson @mcepl @ambv
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