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netty

Java NIO client/server socket framework

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general
  • source: netty (main)
  • version: 1:4.1.48-10
  • maintainer: Debian Java Maintainers (archive) (DMD)
  • uploaders: Graziano Obertelli [DMD] – Chris Grzegorczyk [DMD] – Kyo Lee [DMD]
  • arch: all
  • std-ver: 4.6.2
  • VCS: Git (Browse, QA)
versions [more versions can be listed by madison] [old versions available from snapshot.debian.org]
[pool directory]
  • o-o-stable: 1:4.1.48-4+deb11u2
  • o-o-sec: 1:4.1.48-4+deb11u2
  • oldstable: 1:4.1.48-7+deb12u1
  • old-sec: 1:4.1.48-7+deb12u1
  • stable: 1:4.1.48-10
  • testing: 1:4.1.48-10
  • unstable: 1:4.1.48-10
versioned links
  • 1:4.1.48-4+deb11u2: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
  • 1:4.1.48-7+deb12u1: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
  • 1:4.1.48-10: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
binaries
  • libnetty-java (1 bugs: 0, 1, 0, 0)
action needed
A new upstream version is available: 4.2.5 high
A new upstream version 4.2.5 is available, you should consider packaging it.
Created: 2025-03-17 Last update: 2025-09-08 04:00
3 security issues in trixie high

There are 3 open security issues in trixie.

3 important issues:
  • CVE-2025-55163: Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.124.Final and 4.2.4.Final, Netty is vulnerable to MadeYouReset DDoS. This is a logical vulnerability in the HTTP/2 protocol, that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit - which results in resource exhaustion and distributed denial of service. This issue has been patched in versions 4.1.124.Final and 4.2.4.Final.
  • CVE-2025-58056: Netty is an asynchronous event-driven network application framework for development of maintainable high performance protocol servers and clients. In versions 4.1.124.Final, and 4.2.0.Alpha3 through 4.2.4.Final, Netty incorrectly accepts standalone newline characters (LF) as a chunk-size line terminator, regardless of a preceding carriage return (CR), instead of requiring CRLF per HTTP/1.1 standards. When combined with reverse proxies that parse LF differently (treating it as part of the chunk extension), attackers can craft requests that the proxy sees as one request but Netty processes as two, enabling request smuggling attacks. This is fixed in versions 4.1.125.Final and 4.2.5.Final.
  • CVE-2025-58057: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In netty-codec-compression versions 4.1.124.Final and below, and netty-codec versions 4.2.4.Final and below, when supplied with specially crafted input, BrotliDecoder and certain other decompression decoders will allocate a large number of reachable byte buffers, which can lead to denial of service. BrotliDecoder.decompress has no limit in how often it calls pull, decompressing data 64K bytes at a time. The buffers are saved in the output list, and remain reachable until OOM is hit. This is fixed in versions 4.1.125.Final of netty-codec and 4.2.5.Final of netty-codec-compression.
Created: 2025-08-14 Last update: 2025-09-05 08:32
3 security issues in sid high

There are 3 open security issues in sid.

3 important issues:
  • CVE-2025-55163: Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.124.Final and 4.2.4.Final, Netty is vulnerable to MadeYouReset DDoS. This is a logical vulnerability in the HTTP/2 protocol, that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit - which results in resource exhaustion and distributed denial of service. This issue has been patched in versions 4.1.124.Final and 4.2.4.Final.
  • CVE-2025-58056: Netty is an asynchronous event-driven network application framework for development of maintainable high performance protocol servers and clients. In versions 4.1.124.Final, and 4.2.0.Alpha3 through 4.2.4.Final, Netty incorrectly accepts standalone newline characters (LF) as a chunk-size line terminator, regardless of a preceding carriage return (CR), instead of requiring CRLF per HTTP/1.1 standards. When combined with reverse proxies that parse LF differently (treating it as part of the chunk extension), attackers can craft requests that the proxy sees as one request but Netty processes as two, enabling request smuggling attacks. This is fixed in versions 4.1.125.Final and 4.2.5.Final.
  • CVE-2025-58057: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In netty-codec-compression versions 4.1.124.Final and below, and netty-codec versions 4.2.4.Final and below, when supplied with specially crafted input, BrotliDecoder and certain other decompression decoders will allocate a large number of reachable byte buffers, which can lead to denial of service. BrotliDecoder.decompress has no limit in how often it calls pull, decompressing data 64K bytes at a time. The buffers are saved in the output list, and remain reachable until OOM is hit. This is fixed in versions 4.1.125.Final of netty-codec and 4.2.5.Final of netty-codec-compression.
Created: 2025-08-14 Last update: 2025-09-05 08:32
3 security issues in forky high

There are 3 open security issues in forky.

3 important issues:
  • CVE-2025-55163: Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.124.Final and 4.2.4.Final, Netty is vulnerable to MadeYouReset DDoS. This is a logical vulnerability in the HTTP/2 protocol, that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit - which results in resource exhaustion and distributed denial of service. This issue has been patched in versions 4.1.124.Final and 4.2.4.Final.
  • CVE-2025-58056: Netty is an asynchronous event-driven network application framework for development of maintainable high performance protocol servers and clients. In versions 4.1.124.Final, and 4.2.0.Alpha3 through 4.2.4.Final, Netty incorrectly accepts standalone newline characters (LF) as a chunk-size line terminator, regardless of a preceding carriage return (CR), instead of requiring CRLF per HTTP/1.1 standards. When combined with reverse proxies that parse LF differently (treating it as part of the chunk extension), attackers can craft requests that the proxy sees as one request but Netty processes as two, enabling request smuggling attacks. This is fixed in versions 4.1.125.Final and 4.2.5.Final.
  • CVE-2025-58057: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In netty-codec-compression versions 4.1.124.Final and below, and netty-codec versions 4.2.4.Final and below, when supplied with specially crafted input, BrotliDecoder and certain other decompression decoders will allocate a large number of reachable byte buffers, which can lead to denial of service. BrotliDecoder.decompress has no limit in how often it calls pull, decompressing data 64K bytes at a time. The buffers are saved in the output list, and remain reachable until OOM is hit. This is fixed in versions 4.1.125.Final of netty-codec and 4.2.5.Final of netty-codec-compression.
Created: 2025-08-14 Last update: 2025-09-05 08:32
4 security issues in bullseye high

There are 4 open security issues in bullseye.

3 important issues:
  • CVE-2025-55163: Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.124.Final and 4.2.4.Final, Netty is vulnerable to MadeYouReset DDoS. This is a logical vulnerability in the HTTP/2 protocol, that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit - which results in resource exhaustion and distributed denial of service. This issue has been patched in versions 4.1.124.Final and 4.2.4.Final.
  • CVE-2025-58056: Netty is an asynchronous event-driven network application framework for development of maintainable high performance protocol servers and clients. In versions 4.1.124.Final, and 4.2.0.Alpha3 through 4.2.4.Final, Netty incorrectly accepts standalone newline characters (LF) as a chunk-size line terminator, regardless of a preceding carriage return (CR), instead of requiring CRLF per HTTP/1.1 standards. When combined with reverse proxies that parse LF differently (treating it as part of the chunk extension), attackers can craft requests that the proxy sees as one request but Netty processes as two, enabling request smuggling attacks. This is fixed in versions 4.1.125.Final and 4.2.5.Final.
  • CVE-2025-58057: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In netty-codec-compression versions 4.1.124.Final and below, and netty-codec versions 4.2.4.Final and below, when supplied with specially crafted input, BrotliDecoder and certain other decompression decoders will allocate a large number of reachable byte buffers, which can lead to denial of service. BrotliDecoder.decompress has no limit in how often it calls pull, decompressing data 64K bytes at a time. The buffers are saved in the output list, and remain reachable until OOM is hit. This is fixed in versions 4.1.125.Final of netty-codec and 4.2.5.Final of netty-codec-compression.
1 issue postponed or untriaged:
  • CVE-2024-29025: (postponed; to be fixed through a stable update) Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. The `HttpPostRequestDecoder` can be tricked to accumulate data. While the decoder can store items on the disk if configured so, there are no limits to the number of fields the form can have, an attacher can send a chunked post consisting of many small fields that will be accumulated in the `bodyListHttpData` list. The decoder cumulates bytes in the `undecodedChunk` buffer until it can decode a field, this field can cumulate data without limits. This vulnerability is fixed in 4.1.108.Final.
Created: 2025-08-14 Last update: 2025-09-05 08:32
4 security issues in bookworm high

There are 4 open security issues in bookworm.

3 important issues:
  • CVE-2025-55163: Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.124.Final and 4.2.4.Final, Netty is vulnerable to MadeYouReset DDoS. This is a logical vulnerability in the HTTP/2 protocol, that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit - which results in resource exhaustion and distributed denial of service. This issue has been patched in versions 4.1.124.Final and 4.2.4.Final.
  • CVE-2025-58056: Netty is an asynchronous event-driven network application framework for development of maintainable high performance protocol servers and clients. In versions 4.1.124.Final, and 4.2.0.Alpha3 through 4.2.4.Final, Netty incorrectly accepts standalone newline characters (LF) as a chunk-size line terminator, regardless of a preceding carriage return (CR), instead of requiring CRLF per HTTP/1.1 standards. When combined with reverse proxies that parse LF differently (treating it as part of the chunk extension), attackers can craft requests that the proxy sees as one request but Netty processes as two, enabling request smuggling attacks. This is fixed in versions 4.1.125.Final and 4.2.5.Final.
  • CVE-2025-58057: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In netty-codec-compression versions 4.1.124.Final and below, and netty-codec versions 4.2.4.Final and below, when supplied with specially crafted input, BrotliDecoder and certain other decompression decoders will allocate a large number of reachable byte buffers, which can lead to denial of service. BrotliDecoder.decompress has no limit in how often it calls pull, decompressing data 64K bytes at a time. The buffers are saved in the output list, and remain reachable until OOM is hit. This is fixed in versions 4.1.125.Final of netty-codec and 4.2.5.Final of netty-codec-compression.
1 issue left for the package maintainer to handle:
  • CVE-2024-29025: (postponed; to be fixed through a stable update) Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. The `HttpPostRequestDecoder` can be tricked to accumulate data. While the decoder can store items on the disk if configured so, there are no limits to the number of fields the form can have, an attacher can send a chunked post consisting of many small fields that will be accumulated in the `bodyListHttpData` list. The decoder cumulates bytes in the `undecodedChunk` buffer until it can decode a field, this field can cumulate data without limits. This vulnerability is fixed in 4.1.108.Final.

You can find information about how to handle this issue in the security team's documentation.

Created: 2024-03-25 Last update: 2025-09-05 08:32
Multiarch hinter reports 1 issue(s) normal
There are issues with the multiarch metadata for this package.
  • libnetty-java could be marked Multi-Arch: foreign
Created: 2025-02-09 Last update: 2025-09-08 02:00
lintian reports 2 warnings normal
Lintian reports 2 warnings about this package. You should make the package lintian clean getting rid of them.
Created: 2023-01-02 Last update: 2023-11-12 10:34
debian/patches: 13 patches to forward upstream low

Among the 27 debian patches available in version 1:4.1.48-10 of the package, we noticed the following issues:

  • 13 patches where the metadata indicates that the patch has not yet been forwarded upstream. You should either forward the patch upstream or update the metadata to document its real status.
Created: 2023-02-26 Last update: 2024-05-13 10:22
Standards version of the package is outdated. wishlist
The package should be updated to follow the last version of Debian Policy (Standards-Version 4.7.2 instead of 4.6.2).
Created: 2024-04-07 Last update: 2025-02-27 13:25
news
[rss feed]
  • [2024-06-21] Accepted netty 1:4.1.33-1+deb10u5 (source) into oldoldstable (Markus Koschany)
  • [2024-05-15] netty 1:4.1.48-10 MIGRATED to testing (Debian testing watch)
  • [2024-05-12] Accepted netty 1:4.1.48-10 (source) into unstable (Markus Koschany)
  • [2023-12-14] netty 1:4.1.48-9 MIGRATED to testing (Debian testing watch)
  • [2023-12-09] Accepted netty 1:4.1.48-9 (source) into unstable (Vladimir Petko) (signed by: tony mancill)
  • [2023-11-22] Accepted netty 1:4.1.48-7+deb12u1 (source) into proposed-updates (Debian FTP Masters) (signed by: Markus Koschany)
  • [2023-11-22] Accepted netty 1:4.1.48-4+deb11u2 (source) into oldstable-proposed-updates (Debian FTP Masters) (signed by: Markus Koschany)
  • [2023-11-19] Accepted netty 1:4.1.33-1+deb10u4 (source) into oldoldstable (Markus Koschany)
  • [2023-11-18] Accepted netty 1:4.1.48-4+deb11u2 (source) into oldstable-security (Debian FTP Masters) (signed by: Markus Koschany)
  • [2023-11-18] Accepted netty 1:4.1.48-7+deb12u1 (source) into stable-security (Debian FTP Masters) (signed by: Markus Koschany)
  • [2023-11-17] netty 1:4.1.48-8 MIGRATED to testing (Debian testing watch)
  • [2023-11-11] Accepted netty 1:4.1.48-8 (source) into unstable (Markus Koschany)
  • [2023-01-28] netty 1:4.1.48-7 MIGRATED to testing (Debian testing watch)
  • [2023-01-22] Accepted netty 1:4.1.48-7 (source) into unstable (Pierre Gruet)
  • [2023-01-16] Accepted netty 1:4.1.48-4+deb11u1 (source) into proposed-updates (Debian FTP Masters) (signed by: Markus Koschany)
  • [2023-01-11] Accepted netty 1:4.1.48-4+deb11u1 (source) into stable-security (Debian FTP Masters) (signed by: Markus Koschany)
  • [2023-01-11] Accepted netty 1:4.1.33-1+deb10u3 (source) into oldstable (Markus Koschany)
  • [2023-01-04] netty 1:4.1.48-6 MIGRATED to testing (Debian testing watch)
  • [2023-01-01] Accepted netty 1:4.1.48-6 (source) into unstable (Markus Koschany)
  • [2022-05-31] netty 1:4.1.48-5 MIGRATED to testing (Debian testing watch)
  • [2022-05-26] Accepted netty 1:4.1.48-5 (source) into unstable (tony mancill)
  • [2021-04-13] Accepted netty 1:4.1.33-1+deb10u2 (source) into proposed-updates->stable-new, proposed-updates (Debian FTP Masters) (signed by: Markus Koschany)
  • [2021-04-10] netty 1:4.1.48-4 MIGRATED to testing (Debian testing watch)
  • [2021-04-05] Accepted netty 1:4.1.33-1+deb10u2 (source) into stable->embargoed, stable (Debian FTP Masters) (signed by: Markus Koschany)
  • [2021-04-01] Accepted netty 1:4.1.48-4 (source) into unstable (tony mancill)
  • [2021-03-26] Accepted netty 1:4.1.48-3 (source) into unstable (Markus Koschany)
  • [2021-02-17] netty 1:4.1.48-2 MIGRATED to testing (Debian testing watch)
  • [2021-02-14] Accepted netty 1:4.1.48-2 (source) into unstable (Markus Koschany)
  • [2021-02-11] Accepted netty 1:4.1.7-2+deb9u3 (source all) into oldstable (Chris Lamb)
  • [2020-09-04] Accepted netty 1:4.1.7-2+deb9u2 (source) into oldstable (Roberto C. Sanchez)
  • 1
  • 2
bugs [bug history graph]
  • all: 6
  • RC: 0
  • I&N: 5
  • M&W: 1
  • F&P: 0
  • patch: 0
links
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  • version: 1:4.1.48-10

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