CVE-2026-9080
UAF after pause in socket callback
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.
INFO
Published Date :
July 3, 2026, 6:17 a.m.
Last Modified :
July 3, 2026, 6:17 a.m.
Remotely Exploit :
No
Source :
curl
Affected Products
The following products are affected by CVE-2026-9080
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update libcurl to a version that fixes this use-after-free.
- Refactor code to avoid pausing sockets in the callback.
- Test the application thoroughly after applying the fix.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-9080 vulnerability anywhere in the article.