CVEvulnerability
CVE-2026-48748
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-06-12
- Last modified
- 2026-08-04
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-770
Description
Netty is a network application framework for development of protocol servers and clients. Starting in version 4.2.0.Final and prior to version 4.2.15.Final, a memory exhaustion vulnerability in the Netty HTTP/3 codec allows the creation of an infinite number of blocked streams, which can cause OOM error. Version 4.2.15.Final patches the issue.
Affected configurations
• netty netty (>= 4.2.0 < 4.2.15)
Related
Weakness · CWE (1)
- CWE-770 Allocation of Resources Without Limits or Throttling weakness
References
- https://github.com/netty/netty/commit/75127cab731ee35068d1f0667bffa188bc332f5d github.com
- https://github.com/netty/netty/releases/tag/netty-4.2.15.Final Release Notes
- https://github.com/netty/netty/security/advisories/GHSA-4grm-h2qv-h6w6 Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2026-48748 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2488441 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48748.json security.access.redhat.com