diff --git a/gitgalaxy/standards/language_standards.py b/gitgalaxy/standards/language_standards.py
index aae468442..a0cdc7f76 100644
--- a/gitgalaxy/standards/language_standards.py
+++ b/gitgalaxy/standards/language_standards.py
@@ -36,7 +36,7 @@
 | -------- | ----------- | -------------- | ------------ | --------------- |
 | Apex | 100.0% | 100.0% | 100.0% | 100.0% |
 | C | 99.0% | 99.5% | 100.0% | 100.0% |
-| Cpp | 86.9% | 94.9% | 100.0% | 100.0% |
+| Cpp | 87.0% | 95.6% | 100.0% | 100.0% |
 | Csharp | 100.0% | 100.0% | 100.0% | 100.0% |
 | Css | 100.0% | 100.0% | N/A | N/A |
 | Dart | 99.4% | 99.3% | 100.0% | 100.0% |
@@ -3273,7 +3273,7 @@ class PrismConfigSchema(TypedDict):
                 # [IRON WALL - CATASTROPHIC BACKTRACKING FIX]:
                 # We enforce strict numeric bounds (`{0,500}` and `{0,100}`) instead of `+` or `*`.
                 # This caps the permutation tree instantly.
-                r"(?:[ \t\n]*(?![ \t]*#):[^{;]{0,500}|(?:[ \t\n]+(?![ \t]*#)[a-zA-Z_][^(){};]{0,100};){1,20})?"
+                r"(?:[ \t\n]*(?![ \t]*#):[^{;]{0,2000}|(?:[ \t\n]+(?![ \t]*#)[a-zA-Z_][^(){};]{0,100};){1,20})?"
                 # 10. THE IGNITION (The opening brace confirming it is a definition, not a declaration)
                 r"[ \t\n]*\{",
                 re.M,
diff --git a/tests/extraction/languages/test_cpp.py b/tests/extraction/languages/test_cpp.py
index 9ca121a60..5b0981227 100644
--- a/tests/extraction/languages/test_cpp.py
+++ b/tests/extraction/languages/test_cpp.py
@@ -80,6 +80,10 @@
             "MyClass::MyClass(int x) : field_(x), other_(0) {",
             "MyClass::MyClass",
         ),  # out-of-line constructor, multi-field member-init list
+        (
+            "MyClass::MyClass(int x) : " + "field_a(1), " * 60 + "field_z(2) {",
+            "MyClass::MyClass",
+        ),  # synthetic long initializer-list (over 500 chars, under 2000)
     ],
     "invalid": [
         "class TargetFunc {",  # class decl lookalike
diff --git a/tests/extraction/languages/test_cpp_strict.py b/tests/extraction/languages/test_cpp_strict.py
index 7dcdcdfd5..198f12303 100644
--- a/tests/extraction/languages/test_cpp_strict.py
+++ b/tests/extraction/languages/test_cpp_strict.py
@@ -560,6 +560,7 @@ def test_cpp_redos_immunity_sweep():
     assert_redos_immune(CPP_RULES["args"], "std::vector<" + "a" * 100000, timeout_sec=3.0)
     assert_redos_immune(CPP_RULES["func_start"], "std::vector<" + "a," * 16000, timeout_sec=3.0)
     assert_redos_immune(CPP_RULES["func_start"], "__attribute__((" + "a" * 100000, timeout_sec=3.0)
+    assert_redos_immune(CPP_RULES["func_start"], "MyClass() :" + "a" * 100000, timeout_sec=3.0)
     assert_redos_immune(CPP_RULES["class_start"], "struct " + "a" * 100000, timeout_sec=3.0)
     assert_redos_immune(CPP_RULES["class_start"], "template<" + "a," * 16000, timeout_sec=3.0)
     assert_redos_immune(CPP_RULES["closures"], "[" + "a" * 100000, timeout_sec=3.0)