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CVE

CVE-2025-7339

on-headers is vulnerable to http response header manipulation
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CVE

CVE-2025-7339

on-headers is vulnerable to http response header manipulation

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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
-
C
H
U
-
C
H
U
-

Related Resources

No items found.

References

Severity

3.4

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
3.4
EPSS Probability
0.00006%
EPSS Percentile
0.0028%
Introduced Version
1.0.2
Fix Available
1.1.0

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