CVE-2025-7339
Vulnerability Summary
Timeline
Description
on-headers is a node.js middleware for listening to when a response writes headers. A bug in on-headers versions `<1.1.0` may result in response headers being inadvertently modified when an array is passed to `response.writeHead()`. Users should upgrade to version 1.1.0 to receive a patch. Uses are strongly encouraged to upgrade to `1.1.0`, but this issue can be worked around by passing an object to `response.writeHead()` rather than an array.
CVSS Metrics
- v3.1•LOW•Score: 3.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
EPSS Trends
Current EPSS score: 0.18%• Percentile: 8%
Techniques & Countermeasures
- CWE-241•Improper Handling of Unexpected Data Type
The product does not handle or incorrectly handles when a particular element is not the expected type, e.g. it expects a digit (0-9) but is provided with a letter (A-Z).
Affected Systems
- chainguard•arangodb-3.11
all | < 3.11.14.5-r25
- chainguard•arangodb-3.12
all | < 3.12.11-r0
- chainguard•argo-workflows
< 3.6.10-r3
- chainguard•code-server
< 4.102.1-r0
- chainguard•code-server-compat
< 4.102.1-r0
- chainguard•gitlab-rails-ce-18.1
all
- chainguard•gitlab-rails-ce-18.10
all
- chainguard•gitlab-rails-ce-18.11
all
- chainguard•gitlab-rails-ce-18.5
all
- chainguard•gitlab-rails-ce-18.6
all
- chainguard•gitlab-rails-ce-18.7
all
- chainguard•gitlab-rails-ce-18.8
all
- chainguard•gitlab-rails-ce-18.9
all
- chainguard•gitlab-rails-ce-19.0
all | < 19.0.3-r1
- chainguard•gitlab-rails-ce-19.1
all | < 19.1.7-r6
- chainguard•gitlab-rails-ce-19.2
all | < 19.2.5-r2
- chainguard•gitlab-rails-ce-19.3
< 19.3.1-r6
- chainguard•gitlab-rails-ce-fips-18.1
all | < 18.1.6-r15
- chainguard•gitlab-rails-ce-fips-18.10
all
- chainguard•gitlab-rails-ce-fips-18.11
all
- chainguard•gitlab-rails-ce-fips-18.5
all
- chainguard•gitlab-rails-ce-fips-18.6
all
- chainguard•gitlab-rails-ce-fips-18.7
all
- chainguard•gitlab-rails-ce-fips-18.8
all
- chainguard•gitlab-rails-ce-fips-18.9
all
- chainguard•gitlab-rails-ce-fips-19.0
all
- chainguard•gitlab-rails-ce-fips-19.1
< 19.1.1-r1 | all | < 19.1.7-r7
- chainguard•gitlab-rails-ce-fips-19.2
all | < 19.2.5-r2
- chainguard•gitlab-rails-ce-fips-19.3
< 19.3.1-r3
- chainguard•json-server
< 0.17.4-r2
- chainguard•katib-earlystopping
< 0.19.0-r31
- chainguard•katib-suggestion-goptuna-compat
< 0.19.0-r40
- chainguard•katib-suggestion-hyperband
< 0.19.0-r31
- chainguard•katib-suggestion-hyperopt
< 0.19.0-r31 | < 0.19.0-r40
- chainguard•katib-suggestion-nas-darts
< 0.19.0-r31
- chainguard•katib-suggestion-nas-enas
< 0.19.0-r31
- chainguard•katib-suggestion-optuna-enas
< 0.19.0-r31
- chainguard•katib-suggestion-pbt-enas
< 0.19.0-r31
- chainguard•katib-suggestion-skopt-enas
< 0.19.0-r31
- chainguard•katib-tfevent-metricscollector
< 0.19.0-r31
- chainguard•kubeflow-centraldashboard
< 1.10.0-r3
- chainguard•serve
< 14.2.5-r0
- chainguard•sqlpad
< 7.5.4-r3
- chainguard•sqlpad-compat
< 7.5.4-r3
- chainguard•thingsboard
< 4.1-r5
- chainguard•thingsboard-tb-js-executor
< 4.1-r5
- chainguard•thingsboard-tb-mqtt-transport
< 4.1-r5
- chainguard•thingsboard-tb-node
< 4.1-r5
- chainguard•thingsboard-tb-web-ui
< 4.1-r5
- chainguard•tileserver-gl
< 5.3.1-r7
Showing first 50 affected entries in server-rendered view.
References (9)
- https://github.com/jshttp/on-headers/security/advisories/GHSA-76c9-3jph-rj3q
- https://github.com/jshttp/on-headers/commit/c6e384908c9c6127d18831d16ab0bd96e1231867
- https://cna.openjsf.org/security-advisories.html
- https://github.com/expressjs/morgan/issues/315
- https://github.com/jshttp/on-headers/issues/15
- https://nvd.nist.gov/vuln/detail/CVE-2025-7339
- https://github.com/jshttp/on-headers
- https://security-tracker.debian.org/tracker/CVE-2025-7339
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/7xxx/CVE-2025-7339.json