CVE-2020-28895

integer overflow in calloc

High · published February 3, 2021

CVSS v3.1
7.3
EPSS
2%
Percentile
74.4
In the wild
Unconfirmed
What it is

In Wind River VxWorks, memory allocator has a possible overflow in calculating the memory block's size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.01523 · 74.4th percentile
Published
2021-02-03T15:16Z
EPSS history
Timeline
  • 03 FEB 15:16Z
    integer overflow in calloc
    cvelistv5