CVE-2026-115455
Medium 6.5
Description
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).
Metrics
- CVSS 3.1
-
6.5 (MEDIUM)
Score source: NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H - EPSS — exploit probability
- 0% (percentile: 23) as of 1 November 2026
- CWE
- CWE-787