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[3.14] gh-160316: Make re.Pattern.match() return None when pos > endpos (GH-160317) - #161044
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…endpos` (pythonGH-160317) pythongh-160316: Make re.Pattern.match() return None when pos > endpos Pattern.match(), prefixmatch(), fullmatch() and the scanner match() ran the engine with the start position past the end position, which could return an empty match or read past the end of the string. ANT-2026-NMTUWIC8 (cherry picked from commit 6b58f9a6a12a3c514a755e5e86dc9b9f36bacb9d) Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com>
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gh-160316: Make re.Pattern.match() return None when pos > endpos
Pattern.match(), prefixmatch(), fullmatch() and the scanner match() ran
the engine with the start position past the end position, which could
return an empty match or read past the end of the string.
ANT-2026-NMTUWIC8
(cherry picked from commit 6b58f9a)
Co-authored-by: Gregory P. Smith 68491+gpshead@users.noreply.github.com