Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| curl / curl | affected 8.13.0 before 8.14.2; affected 8.15.0 before 8.16.1; affected 8.17.0 before 8.20.1 |
| curl / curl | affected cfc657a48dbafb4194676d4c9d841388b3a22210 before 5ab34cba42e4ee4282fe8bab43f311d51b9bf9bd |
| curl / curl | affected 8.20.0; affected 8.19.0; affected 8.18.0; affected 8.17.0; affected 8.16.0; affected 8.15.0; affected 8.14.1; affected 8.14.0; affected 8.13.0 |
CWE
CWE-416
References
- https://curl.se/docs/CVE-2026-9080.json
- https://curl.se/docs/CVE-2026-9080.html
- https://hackerone.com/reports/3749204
ADP enrichment
No English description supplied.