CVE-2021-27419CWE-190

uClibc-ng Integer Overflow or Wraparound

High · published May 3, 2022

CVSS v3.1
7.3
EPSS
2%
Percentile
77.3
In the wild
Unconfirmed
What it is

uClibc-ng versions prior to 1.0.37 are vulnerable to integer wrap-around in functions malloc-simple. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

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
0.01721 · 77.3th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2022-05-03T20:20Z
EPSS history
Timeline
  • 03 MAY 20:20Z
    uClibc-ng Integer Overflow or Wraparound
    cvelistv5