CVE-2026-9080

A flaw was found in libcurl. When curleasypause is called within the event-based CURLMOPTSOCKETFUNCTION callback, a use-after-free vulnerability is triggered. This occurs because libcurl attempts to store a flag using a pointer to memory that has already been freed. An attacker could potentially...

ALPINE-CVE-2026-9080

Calling curleasypause within the event-based CURLMOPTSOCKETFUNCTION 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...

CVE-2026-9080 UAF after pause in socket callback

Calling curleasypause within the event-based CURLMOPTSOCKETFUNCTION 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...

CVE-2026-9080

Calling curleasypause within the event-based CURLMOPTSOCKETFUNCTION 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...

UBUNTU-CVE-2026-9080

Calling curleasypause within the event-based CURLMOPTSOCKETFUNCTION 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...

UAF after pause in socket callback

Calling curleasypause within the event-based CURLMOPTSOCKETFUNCTION 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...

PT-2026-51753

Name of the Vulnerable Software and Affected Versions libcurl affected versions not specified Description A use-after-free issue occurs when the curl easy pause function is called within the event-based CURLMOPT SOCKETFUNCTION callback. This leads to a situation where libcurl attempts to store a...

curl: CVE-2026-9080: UAF after pause in socket callback

Hi all, We've found a heap-use-after-free in lib/multiev.c triggered by calling curleasypause from within a CURLMOPTSOCKETFUNCTION callback. ASAN-confirmed with the self-contained reproducer below. Affected versions: 8.13.0 – 8.20.0 current. The entry-action write line 280 has been vulnerable sin...