Worst case quadratic complexity in HTMLParser #135462

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Worst case quadratic complexity in HTMLParser#135462

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3.10only security fixesonly security fixes3.11only security fixesonly security fixes3.12only security fixesonly security fixes3.13bugs and security fixesbugs and security fixes3.14bugs and security fixesbugs and security fixes3.15new features, bugs and security fixesnew features, bugs and security fixes3.9only security fixesonly security fixesstdlibPython modules in the Lib dirPython modules in the Lib dirtype-securityA security issueA security issue

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serhiy-storchaka

opened on Jun 13, 2025

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Linked PRs

• gh-135462: Fix quadratic complexity in processing special input in HTMLParser #135464
• [3.14] gh-135462: Fix quadratic complexity in processing special input in HTMLParser (GH-135464) #135481
• [3.13] gh-135462: Fix quadratic complexity in processing special input in HTMLParser (GH-135464) #135482
• [3.12] gh-135462: Fix quadratic complexity in processing special input in HTMLParser (GH-135464) #135483
• [3.11] gh-135462: Fix quadratic complexity in processing special input in HTMLParser (GH-135464) #135484
• [3.10] gh-135462: Fix quadratic complexity in processing special input in HTMLParser (GH-135464) #135485
• [3.9] gh-135462: Fix quadratic complexity in processing special input in HTMLParser (GH-135464) #135486

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  serhiy-storchaka

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3.10only security fixesonly security fixes3.11only security fixesonly security fixes3.12only security fixesonly security fixes3.13bugs and security fixesbugs and security fixes3.14bugs and security fixesbugs and security fixes3.15new features, bugs and security fixesnew features, bugs and security fixes3.9only security fixesonly security fixesstdlibPython modules in the Lib dirPython modules in the Lib dirtype-securityA security issueA security issue

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html.parser issues

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