GHSA-33hj-rcmx-86mv

Source

https://github.com/advisories/GHSA-33hj-rcmx-86mv

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/01/GHSA-33hj-rcmx-86mv/GHSA-33hj-rcmx-86mv.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-33hj-rcmx-86mv

Aliases

CVE-2024-4027

Published

2026-01-30T15:31:14Z

Modified

2026-02-03T03:13:47.204648Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

Undertow Servlets Vulnerable to Remote DoS via OutOfMemoryError when Passed Large Parameter Names

Details

A flaw was found in Undertow. Servlets using a method that calls HttpServletRequestImpl.getParameterNames() can cause an OutOfMemoryError when the client sends a request with large parameter names. This issue can be exploited by an unauthorized user to cause a remote denial-of-service (DoS) attack.

Database specific

{
    "cwe_ids": [
        "CWE-770"
    ],
    "github_reviewed_at": "2026-02-01T18:07:04Z",
    "nvd_published_at": "2026-01-30T15:16:07Z",
    "severity": "HIGH",
    "github_reviewed": true
}

References

Affected packages

Maven / io.undertow:undertow-core

Package

Name: io.undertow:undertow-core; View open source insights on deps.dev
Purl: pkg:maven/io.undertow/undertow-core

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

2.3.21.Final

Affected versions

1.*

1.0.0.Alpha1

1.0.0.Alpha2

1.0.0.Alpha3

1.0.0.Alpha4

1.0.0.Alpha5

1.0.0.Alpha6

1.0.0.Alpha7

1.0.0.Alpha8

1.0.0.Alpha9

1.0.0.Alpha10

1.0.0.Alpha11

1.0.0.Alpha12

1.0.0.Alpha13

1.0.0.Alpha14

1.0.0.Alpha15

1.0.0.Alpha16

1.0.0.Alpha17

1.0.0.Alpha18

1.0.0.Alpha19

1.0.0.Alpha20

1.0.0.Alpha21

1.0.0.Alpha22

1.0.0.Beta1

1.0.0.Beta2

1.0.0.Beta3

1.0.0.Beta4

1.0.0.Beta5

1.0.0.Beta6

1.0.0.Beta7

1.0.0.Beta8

1.0.0.Beta9

1.0.0.Beta10

1.0.0.Beta11

1.0.0.Beta12

1.0.0.Beta13

1.0.0.Beta14

1.0.0.Beta15

1.0.0.Beta16

1.0.0.Beta17

1.0.0.Beta18

1.0.0.Beta19

1.0.0.Beta20

1.0.0.Beta21

1.0.0.Beta22

1.0.0.Beta23

1.0.0.Beta24

1.0.0.Beta25

1.0.0.Beta26

1.0.0.Beta27

1.0.0.Beta28

1.0.0.Beta29

1.0.0.Beta30

1.0.0.Beta31

1.0.0.Beta32

1.0.0.Beta33

1.0.0.CR1

1.0.0.CR2

1.0.0.CR3

1.0.0.CR4

1.0.0.CR5

1.0.0.Final

1.0.1.Final

1.0.2.Final

1.0.3.Final

1.0.4.Final

1.0.5.Final

1.0.6.Final

1.0.7.Final

1.0.8.Final

1.0.9.Final

1.0.10.Final

1.0.11.Final

1.0.12.Final

1.0.13.Final

1.0.14.Final

1.0.15.Final

1.0.16.Final

1.0.17.Final

1.0.18.Final

1.0.19.Final

1.1.0.Beta1

1.1.0.Beta2

1.1.0.Beta3

1.1.0.Beta4

1.1.0.Beta5

1.1.0.Beta6

1.1.0.Beta7

1.1.0.Beta8

1.1.0.CR1

1.1.0.CR2

1.1.0.CR3

1.1.0.CR4

1.1.0.CR5

1.1.0.CR6

1.1.0.CR7

1.1.0.CR8

1.1.0.Final

1.1.1.Final

1.1.2.Final

1.1.3.Final

1.1.4.Final

1.1.5.Final

1.1.6.Final

1.1.7.Final

1.1.8.Final

1.1.9.Final

1.2.0.Beta1

1.2.0.Beta2

1.2.0.Beta3

1.2.0.Beta4

1.2.0.Beta5

1.2.0.Beta6

1.2.0.Beta7

1.2.0.Beta8

1.2.0.Beta9

1.2.0.Beta10

1.2.0.CR1

1.2.0.Final

1.2.1.Final

1.2.2.Final

1.2.3.Final

1.2.4.Final

1.2.5.Final

1.2.6.Final

1.2.7.Final

1.2.8.Final

1.2.9.Final

1.2.10.Final

1.2.11.Final

1.2.12.Final

1.3.0.Beta1

1.3.0.Beta2

1.3.0.Beta3

1.3.0.Beta4

1.3.0.Beta5

1.3.0.Beta6

1.3.0.Beta7

1.3.0.Beta8

1.3.0.Beta9

1.3.0.Beta10

1.3.0.Beta11

1.3.0.Beta12

1.3.0.Beta13

1.3.0.CR1

1.3.0.CR2

1.3.0.CR3

1.3.0.Final

1.3.1.Final

1.3.2.Final

1.3.3.Final

1.3.4.Final

1.3.5.Final

1.3.6.Final

1.3.7.Final

1.3.8.Final

1.3.9.Final

1.3.10.Final

1.3.11.Final

1.3.12.Final

1.3.13.Final

1.3.14.Final

1.3.15.Final

1.3.16.Final

1.3.17.Final

1.3.18.Final

1.3.19.Final

1.3.20.Final

1.3.21.Final

1.3.22.Final

1.3.23.Final

1.3.24.Final

1.3.25.Final

1.3.26.Final

1.3.27.Final

1.3.28.Final

1.3.29.Final

1.3.30.Final

1.3.31.Final

1.3.32.Final

1.3.33.Final

1.4.0.Beta1

1.4.0.CR1

1.4.0.CR2

1.4.0.CR3

1.4.0.CR4

1.4.0.Final

1.4.1.Final

1.4.2.Final

1.4.3.Final

1.4.4.Final

1.4.5.Final

1.4.6.Final

1.4.7.Final

1.4.8.Final

1.4.9.Final

1.4.10.Final

1.4.11.Final

1.4.12.Final

1.4.13.Final

1.4.14.Final

1.4.15.Final

1.4.16.Final

1.4.17.Final

1.4.18.Final

1.4.19.Final

1.4.20.Final

1.4.21.Final

1.4.22.Final

1.4.23.Final

1.4.24.Final

1.4.25.Final

1.4.26.Final

1.4.27.Final

1.4.28.Final

2.*

2.0.0.Alpha1

2.0.0.Beta1

2.0.0.Final

2.0.1.Final

2.0.2.Final

2.0.3.Final

2.0.4.Final

2.0.5.Final

2.0.6.Final

2.0.7.Final

2.0.8.Final

2.0.9.Final

2.0.10.Final

2.0.11.Final

2.0.12.Final

2.0.13.Final

2.0.14.Final

2.0.15.Final

2.0.16.Final

2.0.17.Final

2.0.18.Final

2.0.19.Final

2.0.20.Final

2.0.21.Final

2.0.22.Final

2.0.23.Final

2.0.24.Final

2.0.25.Final

2.0.26.Final

2.0.27.Final

2.0.28.Final

2.0.29.Final

2.0.30.Final

2.0.31.Final

2.0.32.Final

2.0.33.Final

2.0.34.Final

2.0.35.Final

2.0.36.Final

2.0.37.Final

2.0.38.Final

2.0.39.Final

2.0.40.Final

2.0.41.Final

2.0.42.Final

2.1.0.Final

2.1.1.Final

2.1.2.Final

2.1.3.Final

2.1.4.Final

2.1.5.Final

2.1.6.Final

2.1.7.Final

2.1.8.Final

2.2.0.Final

2.2.1.Final

2.2.2.Final

2.2.3.Final

2.2.4.Final

2.2.5.Final

2.2.6.Final

2.2.7.Final

2.2.8.Final

2.2.9.Final

2.2.10.Final

2.2.11.Final

2.2.12.Final

2.2.13.Final

2.2.14.Final

2.2.15.Final

2.2.16.Final

2.2.17.Final

2.2.18.Final

2.2.19.Final

2.2.20.Final

2.2.21.Final

2.2.22.Final

2.2.23.Final

2.2.24.Final

2.2.25.Final

2.2.26.Final

2.2.27.Final

2.2.28.Final

2.2.29.Final

2.2.30.Final

2.2.31.Final

2.2.32.Final

2.2.33.Final

2.2.34.Final

2.2.35.Final

2.2.36.Final

2.2.37.Final

2.2.38.Final

2.2.39.Final

2.3.0.Alpha1

2.3.0.Alpha2

2.3.0.Beta1

2.3.0.Final

2.3.1.Final

2.3.2.Final

2.3.3.Final

2.3.4.Final

2.3.5.Final

2.3.6.Final

2.3.7.Final

2.3.8.Final

2.3.9.Final

2.3.10.Final

2.3.11.Final

2.3.12.Final

2.3.13.Final

2.3.14.Final

2.3.15.Final

2.3.16.Final

2.3.17.Final

2.3.18.Final

2.3.19.Final

2.3.20.Final

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/01/GHSA-33hj-rcmx-86mv/GHSA-33hj-rcmx-86mv.json"