jshttp/on-headers · Security
on-headers is vulnerable to http response header manipulation
- GHSA ID
- GHSA-76c9-3jph-rj3q
- CVE ID
- CVE-2025-7339
- Severity
- low
- Published
- Updated
- CVSS
- 3.4 · CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
- CVSS v3
- 3.4 · CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Description
Impact
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()
Patches
Users should upgrade to 1.1.0
Workarounds
Uses are 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.
CWEs
- CWE-241 · Improper Handling of Unexpected Data Type
References
- https://github.com/jshttp/on-headers/security/advisories/GHSA-76c9-3jph-rj3q ↗
- https://nvd.nist.gov/vuln/detail/CVE-2025-7339 ↗
- https://github.com/expressjs/morgan/issues/315 ↗
- https://github.com/jshttp/on-headers/issues/15 ↗
- https://github.com/jshttp/on-headers/commit/c6e384908c9c6127d18831d16ab0bd96e1231867 ↗
- https://cna.openjsf.org/security-advisories.html ↗
- https://github.com/advisories/GHSA-76c9-3jph-rj3q ↗