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Title: C++ regex parse tree and RegexTreeViewSig implementation (Phase 1 of ReDoS support) by Copilot · Pull Request #22200 · github/codeql · GitHub

Open Graph Title: C++ regex parse tree and RegexTreeViewSig implementation (Phase 1 of ReDoS support) by Copilot · Pull Request #22200 · github/codeql

X Title: C++ regex parse tree and RegexTreeViewSig implementation (Phase 1 of ReDoS support) by Copilot · Pull Request #22200 · github/codeql

Description: CodeQL: the libraries and queries that power security researchers around the world, as well as code scanning in GitHub Advanced Security - C++ regex parse tree and RegexTreeViewSig implementation (Phase 1 of ReDoS support) by Copilot · Pull Request #22200 · github/codeql

Open Graph Description: C++ (codeql/cpp-all) has no regex parse tree and no RegexTreeViewSig implementation, blocking instantiation of the shared codeql/regex ReDoS engines. This PR adds the self-contained foundation — pa...

X Description: C++ (codeql/cpp-all) has no regex parse tree and no RegexTreeViewSig implementation, blocking instantiation of the shared codeql/regex ReDoS engines. This PR adds the self-contained foundation — pa...

Opengraph URL: https://github.com/github/codeql/pull/22200

X: @github

direct link

Domain: github.com

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View session https://github.com/github/codeql/sessions/17674346-cadd-429e-8867-ec8fa6fac5b8
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Convert ReDoS query tests to inline test expectationshttps://github.com/github/codeql/pull/22200/commits/4be7ff07c399951628ffd7ec80004fbdb024e611
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Remove redundant CompileCheck.ql to resolve dead-code alertshttps://github.com/github/codeql/pull/22200/commits/2bab816913e2f11124beab5849aebc332d0c1ea6
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Add CWE-1333 ReDoS queries to cpp query-suite .expected snapshotshttps://github.com/github/codeql/pull/22200/commits/c51dcddee7f54231c5b72c2177a5250d3ea19ca9
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Add location tests for the C++ regex parse-tree viewhttps://github.com/github/codeql/pull/22200/commits/9fdf8b7b8ea9109c3cbfd1fb93d02f9f0bc523f4
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Fix C++ regex term source locations for raw and encoding-prefixed lit…https://github.com/github/codeql/pull/22200/commits/db5869839411116dc7d6f403f6fbf709e3a916ea
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Extract C++ regex grammar/flag knobs into flow-free RegexGrammar modulehttps://github.com/github/codeql/pull/22200/commits/4fab077bbec42f05c12d7d6bcd7aca121dac4a1b
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Move StdBasicRegex to shared StdRegex module; return ExploitableStrin…https://github.com/github/codeql/pull/22200/commits/645f2fdc3d9585cbceb1500e98b502010bbdad45
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Remove duplicated ReDoS fast-path filter from RegexGrammar; narrow at…https://github.com/github/codeql/pull/22200/commits/ebecc19f8195d44bcc25ede0398225e7b430330a
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Jul 21, 2026 https://github.com/github/codeql/pull/22200#ref-commit-76e3118
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Commit 2: Fix \0 escape parsinghttps://github.com/github/codeql/commit/76e3118abaf9ca7b9b9a98c79e4310d52f675ffd
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https://github.com/apps/copilot-swe-agent
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Jul 23, 2026 https://github.com/github/codeql/pull/22200#ref-pullrequest-4957637036
C++ regex parser: align with std::regex ECMAScript grammar and fix literal-location mapping #22227 https://github.com/github/codeql/pull/22227
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