CVE-2021-27502CWE-190

Texas Instruments TI-RTOS Integer Overflow or Wraparound

High · published November 21, 2023

CVSS v3.1
7.4
EPSS
0%
Percentile
19.3
In the wild
Unconfirmed
What it is

Texas Instruments TI-RTOS, when configured to use HeapMem heap(default),

malloc returns a valid pointer to a small buffer on extremely large

values, which can trigger an integer overflow vulnerability in

'HeapMem_allocUnprotected' and result in code execution.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00279 · 19.3th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2023-11-21T17:41Z
EPSS history
Timeline
  • 21 NOV 17:41Z
    Texas Instruments TI-RTOS Integer Overflow or Wraparound
    cvelistv5