CVEvulnerability

CVE-2026-42580

6.5 MEDIUM Published 2026-05-13 Modified 2026-10-26 Official page ↗
Status
Analyzed
Published
2026-05-13
Last modified
2026-10-26
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Weaknesses
CWE-190, CWE-444

Description

Netty is an asynchronous, event-driven network application framework. Prior to 4.2.13.Final and 4.1.133.Final, Netty's chunk size parser silently overflows int, enabling request smuggling attacks. This vulnerability is fixed in 4.2.13.Final and 4.1.133.Final.

Affected configurations

• netty netty (< 4.1.133) • netty netty (>= 4.2.0 < 4.2.13)

Related

Weakness · CWE (2)

  • CWE-190 Integer Overflow or Wraparound weakness
  • CWE-444 Inconsistent Interpretation of HTTP Requests weakness

References