CVE-2026-9080

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.

• CWE-416
• CWE-416

• https://curl.se/docs/CVE-2026-9080.htmlPatch, Vendor Advisory
• https://curl.se/docs/CVE-2026-9080.jsonVendor Advisory
• https://hackerone.com/reports/3749204Exploit, Issue Tracking, Third Party Advisory
• https://hackerone.com/reports/3749204Exploit, Issue Tracking, Third Party Advisory

Published

Jul 3, 2026

Last Modified

Sep 15, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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