CVE-2026-48043
Gravedad CVSS v3.1:
MEDIA
Tipo:
CWE-400
Consumo de recursos no controlado (Agotamiento de recursos)
Fecha de publicación:
12/06/2026
Última modificación:
21/07/2026
Descripción
*** Pendiente de traducción *** Netty is a network application framework for development of protocol servers and clients. In netty-codec-http2 prior to versions 4.1.135.Final and 4.2.15.Final, the `DelegatingDecompressorFrameListener` class orchestrates HTTP/2 decompression by embedding a per-stream `EmbeddedChannel` that runs the appropriate decompression codec (gzip, deflate, zstd) and forwards decompressed chunks to a wrapped listener. Each decompressed chunk is a pooled `ByteBuf` handed to an anonymous `ChannelInboundHandlerAdapter` tail handler, which becomes the sole owner responsible for releasing it. A remote peer could send frames that would result in the flow-controller throwing and so trigger a resource leak which at the end might take down the whole JVM due OOME. Versions 4.1.135.Final and 4.2.15.Final patch the issue.
Impacto
Puntuación base 3.x
5.30
Gravedad 3.x
MEDIA
Productos y versiones vulnerables
| CPE | Desde | Hasta |
|---|---|---|
| cpe:2.3:a:netty:netty:*:*:*:*:*:*:*:* | 4.1.135 (excluyendo) | |
| cpe:2.3:a:netty:netty:*:*:*:*:*:*:*:* | 4.2.0 (incluyendo) | 4.2.15 (excluyendo) |
Para consultar la lista completa de nombres de CPE con productos y versiones, ver esta página
Referencias a soluciones, herramientas e información
- https://github.com/netty/netty/releases/tag/netty-4.1.135.Final
- https://github.com/netty/netty/releases/tag/netty-4.2.15.Final
- https://github.com/netty/netty/security/advisories/GHSA-c2gf-v879-257j
- https://access.redhat.com/errata/RHSA-2026:26017
- https://access.redhat.com/errata/RHSA-2026:26018
- https://access.redhat.com/errata/RHSA-2026:26586
- https://access.redhat.com/errata/RHSA-2026:34608
- https://access.redhat.com/errata/RHSA-2026:36820
- https://access.redhat.com/errata/RHSA-2026:37390
- https://access.redhat.com/errata/RHSA-2026:41951
- https://access.redhat.com/security/cve/CVE-2026-48043
- https://bugzilla.redhat.com/show_bug.cgi?id=2488442
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-48043.json



