Staging Environment: Content and features may be unstable or change without notice.
Search for packages
Package details: pkg:maven/io.netty/netty-codec-http2@4.1.61.Final
purl pkg:maven/io.netty/netty-codec-http2@4.1.61.Final
Next non-vulnerable version 4.1.100.Final
Latest non-vulnerable version 4.2.11.Final
Risk 10.0
Vulnerabilities affecting this package (1)
Vulnerability Summary Fixed by
VCID-5781-s1ny-q7ey
Aliases:
CVE-2023-44487
GHSA-2m7v-gc89-fjqf
GHSA-qppj-fm5r-hxr3
GHSA-vx74-f528-fxqg
GHSA-xpw8-rcwv-8f8p
GMS-2023-3377
VSV00013
4.1.100.Final
Affected by 0 other vulnerabilities.
Vulnerabilities fixed by this package (1)
Vulnerability Summary Aliases
VCID-hzxz-sqmu-s7e1 Possible request smuggling in HTTP/2 due missing validation of content-length ### Impact The content-length header is not correctly validated if the request only use a single Http2HeaderFrame with the endStream set to to true. This could lead to request smuggling if the request is proxied to a remote peer and translated to HTTP/1.1 This is a followup of https://github.com/netty/netty/security/advisories/GHSA-wm47-8v5p-wjpj which did miss to fix this one case. ### Patches This was fixed as part of 4.1.61.Final ### Workarounds Validation can be done by the user before proxy the request by validating the header. CVE-2021-21409
GHSA-f256-j965-7f32

Date Actor Action Vulnerability Source VulnerableCode Version
2026-04-16T22:40:18.797293+00:00 GitLab Importer Affected by VCID-5781-s1ny-q7ey https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/io.netty/netty-codec-http2/CVE-2023-44487.yml 38.4.0
2026-04-16T21:19:46.309616+00:00 GitLab Importer Fixing VCID-hzxz-sqmu-s7e1 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/io.netty/netty-codec-http2/CVE-2021-21409.yml 38.4.0
2026-04-11T23:59:45.846518+00:00 GitLab Importer Affected by VCID-5781-s1ny-q7ey https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/io.netty/netty-codec-http2/CVE-2023-44487.yml 38.3.0
2026-04-11T22:32:08.164361+00:00 GitLab Importer Fixing VCID-hzxz-sqmu-s7e1 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/io.netty/netty-codec-http2/CVE-2021-21409.yml 38.3.0
2026-04-03T00:02:49.613136+00:00 GitLab Importer Affected by VCID-5781-s1ny-q7ey https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/io.netty/netty-codec-http2/CVE-2023-44487.yml 38.1.0
2026-04-02T22:43:24.127613+00:00 GitLab Importer Fixing VCID-hzxz-sqmu-s7e1 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/io.netty/netty-codec-http2/CVE-2021-21409.yml 38.1.0
2026-04-02T16:56:22.153747+00:00 GHSA Importer Fixing VCID-hzxz-sqmu-s7e1 https://github.com/advisories/GHSA-f256-j965-7f32 38.1.0
2026-04-01T17:01:08.182025+00:00 GitLab Importer Fixing VCID-hzxz-sqmu-s7e1 https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/io.netty/netty-codec-http2/CVE-2021-21409.yml 38.0.0
2026-04-01T13:01:52.950449+00:00 GithubOSV Importer Fixing VCID-hzxz-sqmu-s7e1 https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/03/GHSA-f256-j965-7f32/GHSA-f256-j965-7f32.json 38.0.0