CVE-2025-48945 pycares has a Use-After-Free Vulnerability

pycares is a Python module which provides an interface to c-ares. c-ares is a C library that performs DNS requests and name resolutions asynchronously. Prior to version 4.9.0, pycares is vulnerable to a use-after-free condition that occurs when a Channel object is garbage collected while DNS...

CVE-2025-48945

Affected component: pycares (Python module interfacing with c-ares). Vulnerability: use-after-free when a Channel object is garbage-collected while DNS queries are still pending, leading to a fatal Python error and interpreter crash. Versions: vulnerable prior to pycares 4.9.0 (fixed in 4.9.0). R...

CVE-2025-48945 pycares has a Use-After-Free Vulnerability

pycares is a Python module which provides an interface to c-ares. c-ares is a C library that performs DNS requests and name resolutions asynchronously. Prior to version 4.9.0, pycares is vulnerable to a use-after-free condition that occurs when a Channel object is garbage collected while DNS...