smallbitvec is a growable bit-vector for Rust, optimized for size. From 1.0.1 to 2.6.0, an integer overflow in the internal capacity calculation of smallbitvec can lead to an undersized heap allocation, resulting in a heap buffer overflow through safe APIs only. This allows memory corruption without requiring unsafe code from the caller. This vulnerability is fixed in 2.6.1.
smallbitvec is a growable bit-vector for Rust, optimized for size. From 1.0.1 to 2.6.0, an integer overflow in the internal capacity calculation of smallbitvec can lead to an undersized heap allocation, resulting in a heap buffer overflow through safe APIs only. This allows memory corruption without requiring unsafe code from the caller. This vulnerability is fixed in 2.6.1.
为什么是这个 VPI(可解释·实验性)
VPI 计算依据
| 影响度 | 73.00 |
| 利用信号(无额外利用信号) | ×1.00 |
| VPI | 73.00 |
VPI 公式 vpi-v1
| 来源 | CVSS 版本 | 基础评分 | 严重程度 | 向量字符串 | 评估日期 |
|---|---|---|---|---|---|
| NVDNIST | 3.1 | 7.3 | HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H | 2026. 05. 27. |
| OSV3rd | 3.1 | 7.3 | HIGH |
| CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H |
| 2026. 05. 13. |