Serhiy Storchaka added the comment:
This was fixed in issue18684.
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resolution: - out of date
stage: patch review - resolved
status: open - closed
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http://bugs.python.org/issue24602
JohnLeitch added the comment:
Attaching repro.
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Added file: http://bugs.python.org/file39889/SRE_SEARCH_Integer_Underflow.py
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http://bugs.python.org/issue24602
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JohnLeitch added the comment:
Attaching proposed patch for unit tests to cover this issue.
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Added file: http://bugs.python.org/file39888/test_re.py.patch
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Python tracker rep...@bugs.python.org
http://bugs.python.org/issue24602
New submission from JohnLeitch:
The Python 2.7 regular expression module suffers from an integer underflow in
the SRE_SEARCH function of _sre.c, which leads to a buffer over-read condition.
The issue is caused by unchecked subtraction performed while handling
SR_OP_INFO blocks:
if
Changes by Serhiy Storchaka storch...@gmail.com:
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assignee: - serhiy.storchaka
nosy: +pitrou, serhiy.storchaka
stage: - patch review
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http://bugs.python.org/issue24602
