Detections
Analytics
SCA: security update for io.netty:netty-codec-http2 (GHSA-c2gf-v879-257j)
high Tenable Cloud Security Plugin ID 443079
Description
There are packages installed that are affected by a vulnerability referenced in the following CVE:- 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. (CVE-2026-48043)
Solution
Update the io.netty:netty-codec-http2 library and its related packages to version 4.1.135.Final or later.See Also
Plugin Details
Severity: High
ID: 443079
Version: Revision 1.3
Type: Local
Family: SCA Checks
Published: 6/11/2026
Updated: 6/16/2026
Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security
Risk Information
VPR
Risk Factor: Medium
Score: 5
Percentile: 94.16
Vendor
Vendor Severity: Medium
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2026-48043
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
Exploit Ease: No known exploits are available
Patch Publication Date: 6/11/2026
Vulnerability Publication Date: 6/11/2026
Reference Information
CVE: CVE-2026-48043