CVE-2023-38039
curl: out of heap memory issue due to missing limit on header quantity
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 13, 2023
Updated · November 1, 2026
Description
A flaw was found in the Curl package. Curl allows a malicious server to stream an endless series of headers to a client due to missing limit on header quantity, eventually causing curl to run out of heap memory, which may lead to a crash.
Statement
This issue does not affect the Curl package as shipped in Red Hat Enterprise Linux 6, 7, 8, and 9.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 · Allocation of Resources Without Limits or Throttling