UnratedFix available

Security update for netty, netty-tcnative

Type: advisorySource: OSV1 source record

This update for netty, netty-tcnative fixes the following issues: - CVE-2026-59902: Netty: Memory Exhaustion in SctpMessageCompletionHandler (bsc#1275501). - CVE-2026-59903: Netty Vulnerable to Cache Poisoning and Information Disclosure via CORS Vary Header Overwrite (bsc#1275500). - CVE-2026-62243: TLS hostname verification bypass in Netty OpenSSL client path (bsc#1276455). - CVE-2026-62380: null byte and CRLF injection in Socks4ClientEncoder and Socks5ClientEncoder (bsc#1276456). - CVE-2026-75595: fragmented TLS `ClientHello` causes fallback to default `SslContext` and allows for SNI routing and mTLS requirement bypass (bsc#1276420). - CVE-2026-75596: fragmented `ClientHello`records can trigger quadratic pre-handshake reassembly in default SNI parsing (bsc#1276421). - CVE-2026-76816: missing input validation in `MqttEncoder` allows for null-byte injection, topic hijacking, and ACL bypassing (bsc#1277243). - CVE-2026-89044: HTTP request smuggling in Netty via improper validation of final Transfer-Encoding coding (bsc#1280048). - CVE-2026-93488: Denial of Service via unbounded concurrent SPDY streams (bsc#1282084). - CVE-2026-93491: Denial of Service via unbounded HttpServerCodec HTTP/1.1 pipeline queue (bsc#1282085). - CVE-2026-93492: HTTP/2 HpackEncoder DoS with large table size (bsc#1282132). - CVE-2026-93493: missing `nextUpdate` field in OCSP responses leads to silent validation bypass (bsc#1281431). - CVE-2026-93494: ByteBuf Leak in StompSubframeDecoder When a Frame Bod

Announced 29 Sept 2026Group revision 1

Original source ↗

SUSE-SU-2026:4391-1

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:SUSE-SU-2026:4391-1

netty-tcnative

Source reference: /affected/0/package/name

Affected versions: Not stated in this record
Fixed versions: 2.0.84-150200.3.51.1
Source reference: /affected/0/ranges
Prerequisites: Not stated in this record

netty

Source reference: /affected/1/package/name

Affected versions: Not stated in this record
Fixed versions: 4.1.138-150200.4.56.1
Source reference: /affected/1/ranges
Prerequisites: Not stated in this record

netty-tcnative

Source reference: /affected/2/package/name

Affected versions: Not stated in this record
Fixed versions: 2.0.84-150200.3.51.1
Source reference: /affected/2/ranges
Prerequisites: Not stated in this record

netty-tcnative

Source reference: /affected/3/package/name

Affected versions: Not stated in this record
Fixed versions: 2.0.84-150200.3.51.1
Source reference: /affected/3/ranges
Prerequisites: Not stated in this record

netty-tcnative

Source reference: /affected/4/package/name

Affected versions: Not stated in this record
Fixed versions: 2.0.84-150200.3.51.1
Source reference: /affected/4/ranges
Prerequisites: Not stated in this record

netty-tcnative

Source reference: /affected/5/package/name

Affected versions: Not stated in this record
Fixed versions: 2.0.84-150200.3.51.1
Source reference: /affected/5/ranges
Prerequisites: Not stated in this record

netty-tcnative

Source reference: /affected/6/package/name

Affected versions: Not stated in this record
Fixed versions: 2.0.84-150200.3.51.1
Source reference: /affected/6/ranges
Prerequisites: Not stated in this record

netty-tcnative

Source reference: /affected/7/package/name

Affected versions: Not stated in this record
Fixed versions: 2.0.84-150200.3.51.1
Source reference: /affected/7/ranges
Prerequisites: Not stated in this record

netty-tcnative

Source reference: /affected/8/package/name

Affected versions: Not stated in this record
Fixed versions: 2.0.84-150200.3.51.1
Source reference: /affected/8/ranges
Prerequisites: Not stated in this record

netty-tcnative

Source reference: /affected/9/package/name

Affected versions: Not stated in this record
Fixed versions: 2.0.84-150200.3.51.1
Source reference: /affected/9/ranges
Prerequisites: Not stated in this record

netty-tcnative

Source reference: /affected/10/package/name

Affected versions: Not stated in this record
Fixed versions: 2.0.84-150200.3.51.1
Source reference: /affected/10/ranges
Prerequisites: Not stated in this record

netty-tcnative

Source reference: /affected/11/package/name

Affected versions: Not stated in this record
Fixed versions: 2.0.84-150200.3.51.1
Source reference: /affected/11/ranges
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

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    "package": {
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      "name": "netty-tcnative",
      "purl": "pkg:rpm/suse/netty-tcnative&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS",
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      "name": "netty-tcnative",
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      "ecosystem": "SUSE:Linux Enterprise Server for SAP Applications 15 SP6"
    },
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        {
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  }
]

Publisher severity

No explicit severity was provided.

Event: #37640 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 10:16:46 GMT
Publisher date: Tue, 29 Sep 2026 11:47:41 GMT

Read the original announcement

Revision history

25 Oct 2026SUSE-SU-2026:4391-1 · Revision 1Source updated