CVE-2021-3420
—CVSS 3.1
9.8 critical
EPSS
2%p81
Published
()
Modified
Description
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.
- Vendors
- newlib projectfedoraproject
- Products
- newlib, fedora
- Weakness
- CWE-190
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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