CVE-2026-115455 Gcc: stack overflow in std::bitset on libstdc++

A flaw was found in GCC libstdc++. When an application extracts data into a bitset from a wide-character stream, internal stack memory allocation fails to properly account for character size and alignment. An attacker capable of supplying crafted input to an affected application could trigger a...

CVE-2026-115455

A flaw in GCC libstdc++ allows for a stack-based buffer overflow when an application extracts data into a std::bitset from a wide-character stream . The root cause is that internal stack memory allocation fails to correctly account for character size and alignment. An attacker providing crafted i...