CVE-2026-25804CWE-287CWE-770

Antrea has invalid enforcement order for network policy rules caused by integer overflow

High · published February 6, 2026

CVSS v4.0
8.0
EPSS
1%
Percentile
50.5
In the wild
Unconfirmed
What it is

Antrea is a Kubernetes networking solution intended to be Kubernetes native. Prior to versions 2.3.2 and 2.4.3, Antrea's network policy priority assignment system has a uint16 arithmetic overflow bug that causes incorrect OpenFlow priority calculations when handling a large numbers of policies with various priority values. This results in potentially incorrect traffic enforcement. This issue has been patched in versions 2.4.3.

The record
Technical detail
CVSS v4.0
8.0 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U
EPSS
0.00650 · 50.5th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2026-02-06T22:58Z
EPSS history
Timeline
  • 06 FEB 22:58Z
    Antrea has invalid enforcement order for network policy rules caused by integer overflow
    cvelistv5