CVE-2021-3420
CRITICAL9.8EPSS 0.14%發布日:2021/3/5修改日:2026/4/28
也稱為:DEBIAN-CVE-2021-3420
描述
A flaw was found in newlib in versions prior to 4.0.0. Improper overflow validation in the memory allocation functions mEMALIGn, pvALLOc, nano_memalign, nano_valloc, nano_pvalloc could case an integer overflow, leading to an allocation of a small buffer and then to a heap-based buffer overflow.
受影響套件(2)
- Debian/newlibfrom 0
- Debian/picolibcfrom 0, < 1.5-1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |