CVE-2017-20283CWE-787

CVE-2017-20283

Medium · published October 8, 2026

CVSS v3.1
6.5
EPSS
1%
Percentile
67.5
In the wild
Unconfirmed
What it is

NXP MQX Classic before 5.0 contains an out-of-bounds write vulnerability in the RTCS UDP recvfrom() implementation. Improper enforcement of the application-supplied receive buffer length may allow a crafted UDP packet to overflow the destination buffer, resulting in memory corruption, or denial of service.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.01188 · 67.5th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2026-10-08T07:16Z
References (1)
https://community.nxp.com/t5/MQX-Software-Solutions/Horrible-memory-leak-in-recvfrom-that-has-gone-completely/m-p/705993 · [email protected]
EPSS history
Timeline
  • 09 OCT 03:08Z
    EPSS moved — → 1%
    epss
  • 08 OCT 02:12Z
    NXP MQX Classic before 5.0 contains an out-of-bounds write vulnerability in the RTCS UDP recvfrom() implementation
    cvelistv5
  • 08 OCT 02:12Z
    NXP MQX Classic before 5.0 contains an out-of-bounds write vulnerability in the RTCS UDP recvfrom() implementation
    cvelistv5