CVE-2026-115455
Medium
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).
SeverityMedium
CVSS6.5
Exploit probability—
Product
Microsoft Azl3 Gcc
PublishedOct 30, 2026
First seenNov 4, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft azl3_gcc_13.2.0-7 | No range specified | — |
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