{
  "cveId": "CVE-2026-93575",
  "url": "https://patchblox.com/security/cve/CVE-2026-93575",
  "summary": "CVE-2026-93575 is fixed in 2 products on 1 platform, first by SUSE-SU-2026:4391-1, released September 29, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "netty-tcnative: This update for netty, netty-tcnative fixes the following issues:\n\n- CVE-2026-59902: Netty: Memory Exhaustion in Sctp...",
  "description": "This update for netty, netty-tcnative fixes the following issues:\n\n- CVE-2026-59902: Netty: Memory Exhaustion in SctpMessageCompletionHandler (bsc#1275501).\n- CVE-2026-59903: Netty Vulnerable to Cache Poisoning and Information Disclosure via CORS Vary Header Overwrite\n  (bsc#1275500).\n- CVE-2026-62243: TLS hostname verification bypass in Netty OpenSSL client path (bsc#1276455).\n- CVE-2026-62380: null byte and CRLF injection in Socks4ClientEncoder and Socks5ClientEncoder (bsc#1276456).\n- CVE-2026-75595: fragmented TLS \u0060ClientHello\u0060 causes fallback to default \u0060SslContext\u0060 and allows for SNI routing and\n  mTLS requirement bypass (bsc#1276420).\n- CVE-2026-75596: fragmented \u0060ClientHello\u0060records can trigger quadratic pre-handshake reassembly in default SNI parsing\n  (bsc#1276421).\n- CVE-2026-76816: missing input validation in \u0060MqttEncoder\u0060 allows for null-byte injection, topic hijacking, and ACL\n  bypassing (bsc#1277243).\n- CVE-2026-89044: HTTP request smuggling in Netty via improper validation of final Transfer-Encoding coding\n  (bsc#1280048).\n- CVE-2026-93488: Denial of Service via unbounded concurrent SPDY streams (bsc#1282084).\n- CVE-2026-93491: Denial of Service via unbounded HttpServerCodec HTTP/1.1 pipeline queue (bsc#1282085).\n- CVE-2026-93492: HTTP/2 HpackEncoder DoS with large table size (bsc#1282132).\n- CVE-2026-93493: missing \u0060nextUpdate\u0060 field in OCSP responses leads to silent validation bypass (bsc#1281431).\n- CVE-2026-93494: ByteBuf Leak in StompSubframeDecoder When a Frame Body Is Never Terminated (bsc#1282506).\n- CVE-2026-93558: Unbounded Per-Connection Queue Growth in WebSocketServerExtensionHandler Leads to Denial of Service\n  (bsc#1282140).\n- CVE-2026-93560: STOMP codec content-length long-to-int truncation causes infinite decode loop DoS (bsc#1282141).\n- CVE-2026-93562: Incomplete validation of malformed Transfer-Encoding allows HTTP request smuggling (bsc#1282362).\n- CVE-2026-93563: unbounded multi-line response accumulation in \u0060SmtpResponseDecoder\u0060 leads to memory exhaustion and a\n  DoS (bsc#1281432).\n- CVE-2026-93564: HAProxy PROXY-v2 nested-TLV grandchild ByteBuf reference-count leak (bsc#1282363).\n- CVE-2026-93565: RtspDecoder Method-Token Smuggling via Trailing Control Byte (bsc#1282364).\n- CVE-2026-93566: HTTP Request Smuggling due to control characters in the chunk-size line (bsc#1282366).\n- CVE-2026-93567: HTTP/1 authority-form CONNECT is translated to malformed HTTP/2 CONNECT with Host-controlled\n  :authority (bsc#1282367).\n- CVE-2026-93568: HTTP/2 and HTTP/3 Extended CONNECT requests are downgraded as regular CONNECT requests (bsc#1282370).\n- CVE-2026-93569: HTTP/1 absolute-form Host mismatch is translated to HTTP/2 :authority, overriding the request-target\n  authority (bsc#1282372).\n- CVE-2026-93572: multiplication of patched preallocation limits in \u0060RedisArrayAggregator\u0060 nested RESP headers can lead\n  to denial of service (bsc#1281433).\n- CVE-2026-93573: Incomplete validation of malformed Transfer-Encoding allows HTTP request smuggling (bsc#1282373).\n- CVE-2026-93574: HTTP request smuggling via post-digit whitespace in chunk-size parsing (bsc#1282374).\n- CVE-2026-93575: missing validations in the \u0060MqttDecoder\u0060 can lead to excessive resource consumption and a DoS\n  (bsc#1281434).\n- CVE-2026-93576: netty-codec-smtp -- SMTP command-name field is not CRLF-validated (bsc#1282507).\n- CVE-2026-93578: missing Extended Key Usage (EKU) check in OCSP client allows certificate revocation bypass\n  (bsc#1281435).\n- CVE-2026-93579: HTTP/2 header field values are not validated by default (bsc#1282378).\n\nChanges for netty:\n\n- Upgrade to upstream version 4.1.138\n\nChanges for netty-tcnative:\n\n- Upgrade to version 2.0.84 Final",
  "published": "2026-09-29T11:47:41Z",
  "severity": "",
  "epss": 0.00388,
  "epssPercentile": 0.33144,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "netty",
      "release": "sles 15.7",
      "fixedVersion": "4.1.138-150200.4.56.1",
      "fix": "SUSE-SU-2026:4391-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4391-1",
      "released": "2026-09-29T11:47:41Z"
    },
    {
      "platform": "linux",
      "product": "netty-tcnative",
      "release": "sles 15.6",
      "fixedVersion": "2.0.84-150200.3.51.1",
      "fix": "SUSE-SU-2026:4391-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4391-1",
      "released": "2026-09-29T11:47:41Z"
    },
    {
      "platform": "linux",
      "product": "netty-tcnative",
      "release": "sles 15.7",
      "fixedVersion": "2.0.84-150200.3.51.1",
      "fix": "SUSE-SU-2026:4391-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4391-1",
      "released": "2026-09-29T11:47:41Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-10T13:56:55Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}