Advisory details:
gitlab / maven/io.netty/netty-codec-http/CVE-2026-42584
| Advisory ID | gitlab/maven/io.netty/netty-codec-http/CVE-2026-42584 |
| Aliases |
CVE-2026-42584
GHSA-57rv-r2g8-2cj3 |
| Summary | Netty has HttpClientCodec response desynchronization If HttpClientCodec is configured, there are use cases when a response body from one request, can be parsed as another's. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 0.0 |
| Risk | |
| Affected and Fixed Packages | Package Details |
| Introduced and Fixed Package Commit Patches | Package Commit Patches Details |
| System | Score | Found at |
|---|---|---|
| cvssv3.1 | https://gitlab.com/gitlab-org/advisories-community/-/blob/main/maven/io.netty/netty-codec-http/CVE-2026-42584.yml |
| Reference id | Reference type | URL |
|---|---|---|
| CVE-2026-42584 | https://nvd.nist.gov/vuln/detail/CVE-2026-42584 | |
| GHSA-57rv-r2g8-2cj3 | https://github.com/advisories/GHSA-57rv-r2g8-2cj3 | |
| GHSA-57rv-r2g8-2cj3 | Other | https://github.com/netty/netty/security/advisories/GHSA-57rv-r2g8-2cj3 |
No EPSS data available for this advisory.
| Patch URL | |
|---|---|
| There are no known patches. | |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
Vector: SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-05-13T18:35:01Z/
Decision: Track
Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/42xxx/CVE-2026-42584.json
Source Advisory: vulnrichment/CVE-2026-42584
[{'Exploitation': 'poc'},
{'Automatable': 'yes'},
{'Technical Impact': 'partial'},
{'Mission Prevalence': 'minimal'},
{'Public Well-being Impact': 'material'},
{'Mission & Well-being': 'medium'}]