vulnerability
Microsoft Windows: CVE-2023-38039: Hackerone: CVE-2023-38039 HTTP headers eat all memory
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Oct 19, 2023 | Nov 14, 2023 | Sep 5, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Oct 19, 2023
Added
Nov 14, 2023
Modified
Sep 5, 2025
Description
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.
Solutions
microsoft-windows-windows_10-1809-kb5032196microsoft-windows-windows_10-21h2-kb5032189microsoft-windows-windows_10-22h2-kb5032189microsoft-windows-windows_11-21h2-kb5032192microsoft-windows-windows_11-22h2-kb5032190microsoft-windows-windows_11-23h2-kb5032190microsoft-windows-windows_server_2019-1809-kb5032196microsoft-windows-windows_server_2022-21h2-kb5032198microsoft-windows-windows_server_2022-22h2-kb5032198
Rapid7 Labs
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