Netty is a network application framework for development of protocol servers and clients. In versions 4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, a remote unauthenticated peer can leak one direct `ByteBuf` per HTTP/2 `DATA` frame in applications that enable HTTP/2 content decompression via `DelegatingDecompressorFrameListener`. When a `DATA` frame is processed for a stream whose decompressor has already been closed, `Http2Decompressor.decompress(...)` calls `decompressor.writeInbound(data.retain())` and does not release the retained buffer on the error path, eventually exhausting direct memory and crashing the JVM. This issue is fixed in versions 4.1.136.Final and 4.2.16.Final.

oracle CPUOct2026: MySQL Cluster >=9.7.0|<=9.7.4

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According to its self-reported version number, the Atlassian Crowd application running on the remote host is prior to 7.2.2. It is, therefore, affected by multiple vulnerabilities, including flaws in bundled third-party dependencies :

- A broken authentication and session management vulnerability in Atlassian Crowd. (CVE-2026-21582)

- Multiple denial of service vulnerabilities in the bundled Netty dependency. (CVE-2026-56745, CVE-2026-59901, CVE-2026-45416, CVE-2026-55831, CVE-2026-55833, CVE-2026-48043, CVE-2026-56819)

- Multiple injection vulnerabilities in the bundled axios dependency. (CVE-2026-44494, CVE-2026-42041, CVE-2026-44490, CVE-2026-42035, CVE-2026-42033)

- A server-side request forgery (SSRF) vulnerability in the bundled axios dependency. (CVE-2026-44492)

- Multiple information disclosure vulnerabilities in the bundled axios dependency. (CVE-2026-67320, CVE-2026-44487, CVE-2026-44486)

- A SQL injection vulnerability in the bundled Hibernate ORM dependency. (CVE-2026-0603)

- A man-in-the-middle vulnerability in the bundled PostgreSQL JDBC Driver dependency. (CVE-2026-54291)

- A denial of service vulnerability in the bundled underscore dependency. (CVE-2026-27601)

- Multiple insecure deserialization vulnerabilities in the bundled jackson-databind dependency. (CVE-2026-54513, CVE-2026-54512)

- An improper authorization vulnerability in the bundled Netty dependency. (CVE-2026-44249)

- A broken authentication and session management vulnerability in the bundled Spring Security dependency. (CVE-2026-47838)

- A denial of service vulnerability in the bundled Apache Tomcat dependency. (CVE-2026-41284)

- Multiple denial of service vulnerabilities in the bundled Spring Framework dependency. (CVE-2026-41842, CVE-2026-41851, CVE-2026-41850)

- A man-in-the-middle vulnerability in the bundled Netty dependency. (CVE-2026-50010)

- Multiple denial of service vulnerabilities in the bundled axios dependency. (CVE-2026-44496, CVE-2026-44488)

- Multiple denial of service vulnerabilities in the bundled Micrometer dependency. (CVE-2026-40983, CVE-2026-40984)

- An information disclosure vulnerability in the bundled postcss dependency. (CVE-2026-45623)

- A business logic vulnerability in the bundled Apache Tomcat dependency. (CVE-2026-43513)

- An injection vulnerability in the bundled js-cookie dependency. (CVE-2026-46625)

- A cross-site scripting (XSS) vulnerability in the bundled Spring Framework dependency. (CVE-2026-41845)

- A remote code execution vulnerability in the bundled axios dependency. (CVE-2026-44495)

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

According to its self-reported version number, the Atlassian Jira application running on the remote host is prior to 10.3.24 or 10.4.x prior to 11.3.10. It is, therefore, affected by multiple vulnerabilities, including flaws in bundled third-party dependencies :

- A remote code execution vulnerability in the bundled lodash dependency. (CVE-2026-4800)

- A remote code execution vulnerability in the bundled @babel/traverse dependency. (CVE-2023-45133)

- Multiple denial of service vulnerabilities in the bundled node-tar dependency. (CVE-2026-59873, CVE-2026-59874, CVE-2026-59871)

- A broken authentication and session management vulnerability in Atlassian Jira. (CVE-2026-21582)

- A file inclusion vulnerability in the bundled rollup dependency. (CVE-2026-27606)

- An injection vulnerability in the bundled axios dependency. (CVE-2026-44494)

- Multiple denial of service vulnerabilities in the bundled Netty dependency. (CVE-2026-59901, CVE-2026-56745, CVE-2026-55833, CVE-2026-56819, CVE-2026-45416, CVE-2026-48043, CVE-2026-42587, CVE-2026-55831, CVE-2026-42583)

- A denial of service vulnerability in the bundled react-router dependency. (CVE-2026-55685)

- A remote code execution vulnerability in the bundled form-data dependency. (CVE-2026-12143)

- A server-side request forgery (SSRF) vulnerability in the bundled axios dependency. (CVE-2026-44492)

- A man-in-the-middle vulnerability in the bundled PostgreSQL JDBC Driver dependency. (CVE-2026-54291)

- Multiple information disclosure vulnerabilities in the bundled axios dependency. (CVE-2026-44487, CVE-2026-44486)

- An improper authorization vulnerability in the bundled Netty dependency. (CVE-2026-44249)

- A broken authentication and session management vulnerability in the bundled Spring Security dependency. (CVE-2026-47838)

- A server-side request forgery (SSRF) vulnerability in the bundled ip-address dependency. (CVE-2026-69192)

- A denial of service vulnerability in the bundled brace-expansion dependency. (CVE-2026-13149)

- An injection vulnerability in the bundled js-cookie dependency. (CVE-2026-46625)

- A man-in-the-middle vulnerability in the bundled Netty dependency. (CVE-2026-50010)

- A denial of service vulnerability in the bundled undici dependency. (CVE-2026-12151)

- An injection vulnerability in the bundled Apache Tomcat dependency. (CVE-2026-24734)

- A denial of service vulnerability in the bundled Spring Framework dependency. (CVE-2026-41842)

- A denial of service vulnerability in the bundled axios dependency. (CVE-2026-44488)

- A denial of service vulnerability in the bundled Micrometer dependency. (CVE-2026-40983)

- A cross-site scripting (XSS) vulnerability in the bundled Spring Framework dependency. (CVE-2026-41845)

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

According to its self-reported version number, the Atlassian Confluence application running on the remote host is prior to 9.2.24 or 9.3.x prior to 10.2.17. It is, therefore, affected by multiple vulnerabilities, including flaws in bundled third-party dependencies :

- Multiple man-in-the-middle vulnerabilities in the bundled Netty dependency. (CVE-2026-45674, CVE-2026-47691)

- A remote code execution vulnerability in the bundled lodash dependency. (CVE-2026-4800)

- An injection vulnerability in the bundled Bouncy Castle dependency. (CVE-2026-59650)

- Multiple broken authentication and session management vulnerabilities in the bundled Bouncy Castle dependency. (CVE-2026-8763, CVE-2026-12803, CVE-2026-12802, CVE-2026-59642, CVE-2026-59639, CVE-2026-12816)

- Multiple broken authentication and session management vulnerabilities in the bundled Apache Tomcat dependency. (CVE-2026-55276, CVE-2026-53404)

- Multiple denial of service vulnerabilities in the bundled Netty dependency. (CVE-2026-56745, CVE-2026-59901, CVE-2026-48043, CVE-2026-45416, CVE-2026-73507, CVE-2026-56819, CVE-2026-55833, CVE-2026-55831)

- Multiple denial of service vulnerabilities in the bundled Immutable.js dependency. (CVE-2026-59880, CVE-2026-59879)

- Multiple denial of service vulnerabilities in the bundled Bouncy Castle dependency. (CVE-2026-13506, CVE-2026-58059)

- Multiple remote code execution vulnerabilities in the bundled Bouncy Castle dependency. (CVE-2026-14682, CVE-2026-58060)

- An improper authorization vulnerability in the bundled Netty dependency. (CVE-2026-44249)

- A denial of service vulnerability in the bundled node-tar dependency. (CVE-2026-73566)

- A broken authentication and session management vulnerability in the bundled Netty dependency. (CVE-2026-50010)

- A cross-site request forgery (CSRF) vulnerability in the bundled nanoid dependency. (CVE-2026-73086)

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

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 versions
    4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, a remote unauthenticated peer can
    leak one direct `ByteBuf` per HTTP/2 `DATA` frame in applications that enable HTTP/2 content decompression
    via `DelegatingDecompressorFrameListener`. When a `DATA` frame is processed for a stream whose
    decompressor has already been closed, `Http2Decompressor.decompress(...)` calls
    `decompressor.writeInbound(data.retain())` and does not release the retained buffer on the error path,
    eventually exhausting direct memory and crashing the JVM. This issue is fixed in versions 4.1.136.Final
    and 4.2.16.Final. (CVE-2026-56819)

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3482-1 advisory.

    Upgrade netty to upstream version 4.1.136 and netty-tcnative to version 2.0.80 Final.

    Security issues fixed

    - CVE-2026-44891: memory exhaustion in `io.netty:netty-codec-stomp` (bsc#1271435).
    - CVE-2026-55831: resource exhaustion/DoS in `io.netty:netty-codec-http` (bsc#1271960).
    - CVE-2026-55833: zip bomb in `io.netty:netty-codec-http` (bsc#1271961).
    - CVE-2026-55851: memory exhaustion in `io.netty:netty-codec-haproxy` (bsc#1272253).
    - CVE-2026-56745: memory exhaustion in `io.netty:netty-codec-http` (bsc#1272254).
    - CVE-2026-56746: improper access control in `io.netty:netty-codec-http` (CORS) (bsc#1272255).
    - CVE-2026-56817: insecure defaults in XML parsing in `io.netty:netty-codec-xml` (bsc#1272257).
    - CVE-2026-56818: memory leak in `io.netty:netty-codec-redis` (bsc#1272603).
    - CVE-2026-56819: memory leak in `io.netty:netty-codec-http2` (bsc#1272258).
    - CVE-2026-56820: improper certificate validation in `io.netty:netty-handler-ssl-ocsp` (bsc#1272259).
    - CVE-2026-56821: improper certificate revocation check in `io.netty:netty-handler-ssl-ocsp`     (bsc#1272299).
    - CVE-2026-56822: time-of-check/time-of-use in `io.netty:netty-handler-ssl-ocsp` (bsc#1272300).
    - CVE-2026-59898: protocol version confusion in `io.netty:netty-codec-http` (websocket) (bsc#1272302).
    - CVE-2026-59899: memory exhaustion in `io.netty:netty-codec-http` (bsc#1272301).
    - CVE-2026-59900: improper header neutralization in `io.netty:netty-codec-http2` (bsc#1272303).
    - CVE-2026-59901: infinite loop in `io.netty:netty-codec-compression` (bzip2) (bsc#1272304).
    - CVE-2026-59919: improper CR/LF neutralization in `io.netty:netty-codec-haproxy` (bsc#1272305).
    - CVE-2026-59920: improper CR/LF neutrolization in `io.netty:netty-codec-stomp` (bsc#1272306).
    - CVE-2026-59921: improper CR/LF neutralization in `io.netty:netty-codec-http` (multipart) (bsc#1272307).
    - Memory leak in `io.netty:netty-codec-dns`  (bsc#1272519).
    - Uncontrolled resource consumption in `io.netty:netty-codec-xml` (bsc#1272518).

    Other updates and bugfixes:

    - Upgrade to upstream version 4.1.136:
      - SingleThreadEventExecutor: document Throwable safety contract         on run()
      - Make HTTP/2 frame hashCode consistent with equals
      - Add BlockHound exception for DnsQueryIdSpace (#16896)
      - FlowControlHandler: Fix autoRead behavior
      - Fix incorrect bounds in error message of         HpackDecoder.setMaxHeaderListSize
      - MQTT: Fix MQTT decoder size check after variable header replay
      - MQTT: Make the decodeProperties early-REPLAY check actually         fire
      - Reject control characters at the boundary of HTTP method names         (#16723)
      - Update to latest tcnative release
      - Fix HTTP 2 PUSH_PROMISE stream association validation
      - Fix GZIP FEXTRA extra-field handling in JdkZlibDecoder
      - Add opt-in validation of mandatory pseudo-header fields for         HTTP/2
      - Strictly validate MQTT UTF-8 Encoded String (#16939)
      - Stop DateFormatter trailing token from running past the parse         end
      - IpFilter: Deprecate constructor which use accept by default
      - Add RFC 10008 QUERY Method support (#16966)
      - Correctly release and fail queued traffic-shaping writes on         close (#16959)
      - FlowControlHandler: respect auto-read when toggled while         dequeueing
      - IdleStateHandler: reset firstWriter/ReaderIdleEvent in         resetWriteTimeout/resetReadTimeout (#16982)
      - Fix typo in AbstractSniHandler Javadoc
      - Reconcile AbstractCoalescingBufferQueue readableBytes when it         drains, and fail stuck HTTP/2 streams instead of spinning         empty DATA frames
      - Reject control characters at the boundary of the HTTP version         token (#16971)
      - Reset UTF-8 decode state on CR in StompSubframeDecoder
      - HTTP2: Pass the correct number of arguments when logging         goaway       + FastLz: Guard decompression against truncated input (#17000)       + Fix propagation of startTls for client SslContext handler       + Reject non-token characters in HTTP/2 header names       + Update lz4-java to 1.11.1       + Pin github actions to reduce risk (#17043)       + Merge branches from forks (#17063)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Netty is a network application framework for development of protocol servers and clients. In versions     4.2.0.Final through 4.2.15.Final and 4.1.0.Final through 4.1.135.Final, a remote unauthenticated peer can     leak one direct `ByteBuf` per HTTP/2 `DATA` frame in applications that enable HTTP/2 content decompression     via `DelegatingDecompressorFrameListener`. When a `DATA` frame is processed for a stream whose     decompressor has already been closed, `Http2Decompressor.decompress(...)` calls     `decompressor.writeInbound(data.retain())` and does not release the retained buffer on the error path,     eventually exhausting direct memory and crashing the JVM. This issue is fixed in versions 4.1.136.Final     and 4.2.16.Final. (CVE-2026-56819)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
115706	Atlassian Crowd < 7.2.2 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	Version Based	high
115700	Atlassian Jira 10.4.x < 11.3.10 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	Version Based	critical
115699	Atlassian Jira < 10.3.24 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	Version Based	critical
115690	Atlassian Confluence 9.3.x < 10.2.17 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	Version Based	critical
115689	Atlassian Confluence < 9.2.24 Multiple Vulnerabilities	Web App Scanning	Component Vulnerability	Version Based	critical
465932	Echo: io.netty:netty-codec-http2: security update to 4.1.136.Final	Tenable Cloud Security	Echo Local Security Checks	Local	high
465932	Echo: io.netty:netty-codec-http2: security update to 4.1.136.Final	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	high
332130	SUSE SLED15 / SLES15 Security Update : netty, netty-tcnative (SUSE-SU-2026:3482-1)	Nessus	SuSE Local Security Checks	Local	high
445544	SCA: security update for io.netty:netty-codec-http2 (GHSA-93wv-jw9v-4972)	Tenable Cloud Security	SCA Checks	Local	high
445544	SCA: security update for io.netty:netty-codec-http2 (GHSA-93wv-jw9v-4972)	Tenable Self-Hosted Container Security	SCA Checks	Local	high
329701	Linux Distros Unpatched Vulnerability : CVE-2026-56819	Nessus	Misc.	Local	high

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