[Bug libstdc++/127666] std::from_chars(first, last, long double&) reads past 'last' for "inf"/"nan" (strlen on the unterminated input)

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127666

--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> ---
This has been assigned CVE-2026-115456