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CVE-2024-2398

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Date: March 27, 2024

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.

Language: C

Severity Score

Related Resources (11)

https://security.netapp.com/advisory/ntap-20240503-0009/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2D44YLAUFJU6BZ4XFG2FYV7SBKXB5IZ6/
https://curl.se/docs/CVE-2024-2398.html
https://github.com/curl/curl/commit/deca8039991886a559b67bcd6
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GMD6UYKCCRCYETWQZUJ65ZRFULT6SHLI/
https://security-tracker.debian.org/tracker/CVE-2024-2398
https://nvd.nist.gov/vuln/detail/CVE-2024-2398
https://hackerone.com/reports/2402845
https://curl.se/docs/CVE-2024-2398.json
http://www.openwall.com/lists/oss-security/2024/03/27/3
https://www.mend.io/vulnerability-database/CVE-2024-2398

Severity Score

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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