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catastrophic backtracking in BACKSLASH_URL_RE #52

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DaveCrim opened this issue Mar 21, 2022 · 2 comments · Fixed by #56
Closed

catastrophic backtracking in BACKSLASH_URL_RE #52

DaveCrim opened this issue Mar 21, 2022 · 2 comments · Fixed by #56

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@DaveCrim
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Pretty much the title, discovered this in a downstream project, https://github.com/s0md3v/Photon, commented on it there as well. Thought I'd leave the comment here too, the rest of the defang RE seem to work fine, but the backslash one seemed to cause a lot of hangs when I was using it.

Test against: http://myexample.com/dir/../path/escaping/../too/many/../dots/../in/../the/path/../cause/this/to/fail
@Synse Synse mentioned this issue Dec 29, 2022
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@battleoverflow
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Hi, @DaveCrim!

PR just merged to resolve this issue. I'll ping this issue once more when a new package is available on PyPI for download.

@battleoverflow
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The new PyPI package is now available!

PyPI: https://pypi.org/project/iocextract/1.13.8/
GitHub Releases: https://github.com/InQuest/python-iocextract/releases/tag/v1.13.8

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Fix catastrophic backtracking in BACKSLASH_URL_RE
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@DaveCrim @battleoverflow