fix: antlr3_calloc(1, sizeof(anmllexer)) at line 474... in ANMLLexer.cpp

[orbisai0security]

Summary

Fix high severity security issue in src/PLASMA/ANML/base/ANMLLexer.cpp.

Vulnerability

Field	Value
ID	V-005
Severity	HIGH
Scanner	multi_agent_ai
Rule	V-005
File	src/PLASMA/ANML/base/ANMLLexer.cpp:474

Description: ANTLR3_CALLOC(1, sizeof(ANMLLexer)) at line 474 and ANTLR3_CALLOC(1, sizeof(ANMLParser)) at line 509 allocate memory for the lexer and parser contexts. If these allocations fail under memory pressure (returning NULL) and the returned pointer is not checked before use, subsequent dereferences of ctx will cause a NULL pointer dereference, crashing the process. An attacker who can trigger repeated large ANML parse requests can exhaust memory and force allocation failures.

Changes

• src/PLASMA/ANML/base/ANMLParser.cpp

Verification

• Build passes
• Scanner re-scan confirms fix
• LLM code review passed

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Automated security fix by OrbisAI Security