CVEvulnerability
CVE-2026-9080
7.3 HIGH
Official page ↗
- Status
- Modified
- Published
- 2026-07-03
- Last modified
- 2026-09-15
- Assigner
- 2499f714-1537-4658-8207-48ae4bb9eae9
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 7.3 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- Weaknesses
- CWE-416
Description
Calling `curl_easy_pause()` within the event-based `CURLMOPT_SOCKETFUNCTION`
callback triggers a use-after-free vulnerability, where libcurl attempts to
store a flag using a dangling struct pointer immediately after that pointer's
memory has been freed.
Affected configurations
• haxx curl (>= 8.13.0 < 8.21.0)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://curl.se/docs/CVE-2026-9080.html Patch, Vendor Advisory
- https://curl.se/docs/CVE-2026-9080.json Vendor Advisory
- https://hackerone.com/reports/3749204 Exploit, Issue Tracking, Third Party Advisory
- https://hackerone.com/reports/3749204 Exploit, Issue Tracking, Third Party Advisory