CVE
CVE-2026-18924
HTTP/2 server push UAF
A flaw in libcurl's handling of HTTP/2 Server Push streams, when the parent
handle is set to share connections with other handles, can lead to
use-after-free in the cleanup process.
Package Versions Affected
Package Version
patch Availability
No items found.
Automatically patch vulnerabilities without upgrading
Fix Without Upgrading
Detect compatible fix
Apply safe remediation
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CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.1
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
C
H
U
-
Related Resources
No items found.
References
https://curl.se/docs/CVE-2026-18924.html, https://curl.se/docs/CVE-2026-18924.json, https://hackerone.com/reports/3916059, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18924.json, https://nvd.nist.gov/vuln/detail/CVE-2026-18924, https://github.com/curl/curl.git