JTC 1/SC 22/WG 23 C++ Vulnerability Discussions    WG 23 N1539
		Jan 19 2026
		

Participants
    Stephen Michell - convenor, SCC
    Richard Corden - USA

 Regrets
    Erhard Ploedereder - liaison
    Paul Preney - Canada
    Matt Butler - USA
    Peter Sommerlad - Switzerland
    Loic Joly - AFNOR

    
Actions:


Issues addressed

#159 - Vulnerabilities with Map Operators - added meterial to 6.25 and closed.

Closed issue 211 - Create 3 letter codes for clause 7 vulnerabilities.

Clauses addressed:
    Updated 6.24 fot examples on order of evaluation issues for function parameters.
    Updated 6.25 Likely incorrect expression with material about map operators.
   

All work is done on GitHub in the folder for ISO-IEC-JTC1-SC22-WG23-CPP. Please contact
stephen.michell@maurya.on.ca for access.



FROM THE CHAT 2026-01-19:
	2026-01-19 11:28:40 From Richard Corden to Everyone:
	[\[EWF\]](#EWF)
	
2026-01-19 11:38:23 From Richard Corden to Everyone:
	```
	```{.cpp}
	void foo(int, int);
	void bar () {
	  int i = 0;
	  foo (i, ++i);  // 0, 1 or 1, 1
	}
	```
	
2026-01-19 12:50:56 From Richard Corden to Everyone:
	```
	bool find_elem (std::map<std::string, std::string> & m, std::string key)
	{
	if ( m[key] != std::string { } )
	{
	return true; // key found in map
	}
	// not found
	return false;
	}