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High ELSA-2026-42096 1 CVE

Important: c-ares security update (Oracle Linux 10)

Published Jul 21, 2026 · Updated Jul 21, 2026

Ecosystem: Oracle Linux

Summary

[1.34.6-2]
- Fix double-free in process_timeouts() (CVE-2026-33630)
Resolves: RHEL-192867

Fixed packages 2

ReleasePackageFixed in
Oracle Linux · 10 c-ares 0:1.34.6-2.el10_2
Oracle Linux · 10 c-ares-devel 0:1.34.6-2.el10_2

Vulnerabilities 1

  • High 7.5
    CVE-2026-33630

    c-ares : Use-after-free / double-free in c-ares query-completion handling, remotely triggerable via ares_getaddrinfo() over TCP

    c-ares is an asynchronous resolver library. From ver 1.32.3 until 1.34.7, a use-after-free / double-free in c-ares' query-completion handling. The same flaw — a query's callback being invoked while the query is still linked in the channel's internal lookup st…

    c-ares c-ares nodejs fluent-bit Debian Ubuntu Azure Linux Alpine