CVE-2024-2398

HTTP/2 push headers memory-leak

Description

When an application tells libcurl it wants to allow HTTP/2 server push, and the amount of received headers for the push surpasses the maximum allowed limit (1000), libcurl aborts the server push. When aborting, libcurl inadvertently does not free all the previously allocated headers and instead leaks the memory. Further, this error condition fails silently and is therefore not easily detected by an application.

8.6

CVSS

Severity: High

CVSS 3.1 •

EPSS 2.97% Top 15%

Affected: curl curl

References

Link	Tags
https://curl.se/docs/CVE-2024-2398.json
https://curl.se/docs/CVE-2024-2398.html
https://hackerone.com/reports/2402845
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GMD6UYKCCRCYETWQZUJ65ZRFULT6SHLI/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2D44YLAUFJU6BZ4XFG2FYV7SBKXB5IZ6/
http://www.openwall.com/lists/oss-security/2024/03/27/3
https://security.netapp.com/advisory/ntap-20240503-0009/
https://support.apple.com/kb/HT214119
https://support.apple.com/kb/HT214118
https://support.apple.com/kb/HT214120
http://seclists.org/fulldisclosure/2024/Jul/20
http://seclists.org/fulldisclosure/2024/Jul/18
http://seclists.org/fulldisclosure/2024/Jul/19

Frequently Asked Questions

What is the severity of CVE-2024-2398?: CVE-2024-2398 has been scored as a high severity vulnerability.
How to fix CVE-2024-2398?: To fix CVE-2024-2398, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-2398 being actively exploited in the wild?: It is possible that CVE-2024-2398 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~3% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-2398?: CVE-2024-2398 affects curl curl.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.