Threats Tagged 'ubuntu-cve-2026-69186'
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Threats Tagged 'ubuntu-cve-2026-69186'
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c-ares versions prior to 1.34.7 contain a vulnerability in the ares_dns_parse() function where attacker-controlled DNS response fields (ANCOUNT, NSCOUNT, ARCOUNT) are trusted before verifying the response length. This can lead to excessive heap memory allocation for small messages, causing resource exhaustion and potential denial of service in name resolution. The issue does not cause memory corruption or information disclosure and is fixed in version 1.34.7. Join the discussion | GCVE Database | 09/18/2026, 18:17:00 UTC Added: 09/24/2026, 06:08:21 UTC |
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