When curl retrieves an HTTP response, it stores the incoming headers so that
they can be accessed later via the libcurl headers API.
However, curl did not have a limit in how many or how large headers it would
accept in a response, allowing a malicious server to stream an endless series
of headers and eventually cause curl to run out of heap memory.
Metrics
Affected Vendors & Products
References
History
Tue, 02 Dec 2025 20:15:00 +0000
| Type | Values Removed | Values Added |
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ssvc
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Status: PUBLISHED
Assigner: hackerone
Published: 2023-09-15T03:21:54.348Z
Updated: 2025-12-02T20:06:21.809Z
Reserved: 2023-07-12T01:00:11.881Z
Link: CVE-2023-38039
Updated: 2024-08-02T17:30:12.356Z
Status : Modified
Published: 2023-09-15T04:15:10.127
Modified: 2025-12-02T20:15:46.680
Link: CVE-2023-38039