CVE-2021-23386

Remote Memory Exposure

High · published May 20, 2021

CVSS v3.1
7.7
EPSS
1%
Percentile
72.7
In the wild
Unconfirmed
What it is

This affects the package dns-packet before 5.2.2. It creates buffers with allocUnsafe and does not always fill them before forming network packets. This can expose internal application memory over unencrypted network when querying crafted invalid domain names.

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.01425 · 72.7th percentile
Published
2021-05-20T16:15Z
EPSS history
Timeline
  • 20 MAY 16:15Z
    Remote Memory Exposure
    cvelistv5