PT-2026-84651 · Libcurl · Libcurl

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CVE-2026-18924

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Published

2026-09-02

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Updated

2026-09-07

CVSS v3.1

9.1

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Name of the Vulnerable Software and Affected Versions libcurl (affected versions not specified)
Description A flaw exists in the handling of HTTP/2 Server Push streams. When the parent handle is configured to share connections with other handles, a use-after-free condition can occur during the cleanup process. Use-after-free is a memory corruption issue where an application continues to use a pointer after it has been freed.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

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Weakness Enumeration

Related Identifiers

CVE-2026-18924
ECHO-0181-5C6A-1EED
OPENSUSE-SU-2026:11696-1

Affected Products

Libcurl