CVSS 6.5 (medium) · published 2026-10-30
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 stack-based buffer overflow leading denial of service (DoS).
Weakness: CWE-787
Source: NVD CVE-2026-115455
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