AIKIDO-2025-10983
c-ares.c-ares is vulnerable to Use After Free
69
Medium Risk
This Affects:
c-ares.c-aresTL;DR
Use after free() in read_answer() when process_answer() may terminate a query such as after maximum attempts. This was causing the connection to be closed, but still possibly additional answers to be processed. This is a missed case from CVE-2025-31498.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
c-ares.c-ares is vulnerable to Use After Free in versions 1.32.3 - 1.34.5.
How to fix this
Upgrade the c-ares.c-ares library to the patch version.
Links
GitHub Release
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