CVEvulnerability
CVE-2026-18924
9.1 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2026-09-06
- Last modified
- 2026-09-15
- Assigner
- 2499f714-1537-4658-8207-48ae4bb9eae9
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- Weaknesses
- CWE-416
Description
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.
Affected configurations
• haxx curl (>= 7.44.0 < 8.22.0)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://curl.se/docs/CVE-2026-18924.html Patch, Vendor Advisory
- https://curl.se/docs/CVE-2026-18924.json Vendor Advisory
- https://hackerone.com/reports/3916059 Exploit, Mitigation, Third Party Advisory
- https://hackerone.com/reports/3916059 Exploit, Mitigation, Third Party Advisory