CVE records

Every CVE as the CVE Program publishes it, refreshed every ten minutes, with NVD's analysis, CISA's known-exploited status and a healthcare tag. Subscribers get the CVEs that match their own systems on My program, by email as they are published. Where the data comes from: sources.

Updated under an hour ago ()

What this means for you

This week: 5,437 CVEs published, 357 critical, and 7 newly confirmed exploited. Add your stack to see whether any of them hit you.

Published in the last 7 days
5,437
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Critical, last 7 days
357
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Healthcare-tagged, last 7 days
4
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Known exploited (CISA KEV)
1,747
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Showing CVEs that name the product netty:netty. Show all products

86 CVEs, showing 51 to 86PreviousPage 2 of 2
CVESeverityTitlePublished
CVE-2026-45674Critical 10.0Netty is a network application framework for development of protocol servers and clients.Jun 12, 2026
CVE-2026-45673Medium 6.8Netty is a network application framework for development of protocol servers and clients.Jun 12, 2026
CVE-2026-45536Medium 4.0Netty is a network application framework for development of protocol servers and clients.Jun 12, 2026
CVE-2026-45416High 7.5Netty is a network application framework for development of protocol servers and clients.Jun 12, 2026
CVE-2026-44894High 7.5Netty is a network application framework for development of protocol servers and clients.Jun 12, 2026
CVE-2026-44893High 7.5Netty is a network application framework for development of protocol servers and clients.Jun 12, 2026
CVE-2026-44892High 7.5Netty is a network application framework for development of protocol servers and clients.Jun 12, 2026
CVE-2026-44890High 7.5Netty is a network application framework for development of protocol servers and clients.Jun 11, 2026
CVE-2026-44250High 7.5Netty is a network application framework for development of protocol servers and clients.Jun 11, 2026
CVE-2026-44249High 8.1Netty is a network application framework for development of protocol servers and clients.Jun 11, 2026
CVE-2026-44248High 7.5Netty is an asynchronous, event-driven network application framework.May 13, 2026
CVE-2026-42587High 7.5Netty is an asynchronous, event-driven network application framework.May 13, 2026
CVE-2026-42586High 7.1Netty is an asynchronous, event-driven network application framework.May 13, 2026
CVE-2026-42585High 7.5Netty is an asynchronous, event-driven network application framework.May 13, 2026
CVE-2026-42584Critical 9.1Netty is an asynchronous, event-driven network application framework.May 13, 2026
CVE-2026-42583High 7.5Netty is an asynchronous, event-driven network application framework.May 13, 2026
CVE-2026-42582High 7.5Netty is an asynchronous, event-driven network application framework.May 13, 2026
CVE-2026-42581Critical 9.8Netty is an asynchronous, event-driven network application framework.May 13, 2026
CVE-2026-42580Medium 6.5Netty is an asynchronous, event-driven network application framework.May 13, 2026
CVE-2026-42579Critical 9.1Netty is an asynchronous, event-driven network application framework.May 13, 2026
CVE-2026-42578High 7.5Netty is an asynchronous, event-driven network application framework.May 13, 2026
CVE-2026-42577High 7.5Netty is an asynchronous, event-driven network application framework.May 13, 2026
CVE-2026-41417Medium 5.3Netty allows request-line validation to be bypassed when a `DefaultHttpRequest` or `DefaultFullHttpRequest` is created first and its URI is later changed via `setUri()`.May 6, 2026
CVE-2026-33871High 7.5Netty is an asynchronous, event-driven network application framework.Mar 27, 2026
CVE-2026-33870High 7.5Netty is an asynchronous, event-driven network application framework.Mar 27, 2026
CVE-2025-67735Medium 6.5Netty is an asynchronous, event-driven network application framework.Dec 16, 2025
CVE-2023-44487
Known exploited
High 7.5The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
Assigned by mitre
Oct 10, 2023
CVE-2021-43797Medium 6.5HTTP fails to validate against control chars in header names which may lead to HTTP request smuggling
Assigned by GitHub_M
Dec 9, 2021
CVE-2021-37137High 7.5The Snappy frame decoder function doesn't restrict the chunk length which may lead to excessive memory usage.
Assigned by JFROG
Oct 19, 2021
CVE-2021-37136High 7.5The Bzip2 decompression decoder function doesn't allow setting size restrictions on the decompressed output data (which affects the allocation size used during decompression).
Assigned by JFROG
Oct 19, 2021
CVE-2021-21409Medium 5.9Possible request smuggling in HTTP/2 due missing validation of content-length
Assigned by GitHub_M
Mar 30, 2021
CVE-2021-21295Medium 5.9Possible request smuggling in HTTP/2 due missing validation
Assigned by GitHub_M
Mar 9, 2021
CVE-2021-21290Medium 6.2Local Information Disclosure Vulnerability in Netty on Unix-Like systems due temporary files
Assigned by GitHub_M
Feb 8, 2021
CVE-2019-20444Critical 9.1HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an "invali…
Assigned by mitre
Jan 29, 2020
CVE-2019-20445Critical 9.1HttpObjectDecoder.java in Netty before 4.1.44 allows a Content-Length header to be accompanied by a second Content-Length header, or by a Transfer-Encoding header.
Assigned by mitre
Jan 29, 2020
CVE-2019-16869High 7.5Netty before 4.1.42.Final mishandles whitespace before the colon in HTTP headers (such as a "Transfer-Encoding : chunked" line), which leads to HTTP request smuggling.
Assigned by mitre
Sep 26, 2019
PreviousPage 2 of 2

CVSS is the assigning CNA's score where it gives one, otherwise NVD's. The healthcare tag is a documented heuristic (a list of clinical and health IT vendors, and clinical terms in the description), not a classification. The CVE record is authoritative.

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