CVE-2023-38039
7.5
HIGH
CVSS 3.1
EPSS 62.2%
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.
How to fix CVE-2023-38039
To remediate CVE-2023-38039, upgrade the affected package to a fixed version below.
- —upgrade to 8.3.0-r0 or later
Is CVE-2023-38039 being exploited?
Likely — EPSS is 62.2%, placing CVE-2023-38039 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- >= 7.84.0, < 8.3.0-r0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |