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CVE-2026-33630VulnerabilityPublished Updated

SUSE · Security update for libcares2

Affects SUSESource GCVE Database

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Mentioned vulnerabilities

Not known to be exploited.

Data as of 6 Nov 2026, 23:24 UTC

Severity
High

Rated by Threat Radar · CVSS not yet scored by NVD

EPSS
0.8% chance of exploitation in 30 days – higher than 58% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 6 Nov 2026.

What to do

AI-suggested

Apply the security update for libcares2 provided by the SUSE Product Security Team to remediate these vulnerabilities. No additional mitigations are specified. Since this is an official fix, updating to the patched version is the recommended action.

Description

This security update for libcares2 addresses two vulnerabilities: CVE-2026-33630, a use-after-free and double-free flaw in the query-completion handling of c-ares that can be triggered remotely via ares_getaddrinfo() over TCP; and CVE-2026-69184, a CPU exhaustion denial of service caused by unbounded DNS name compression pointer chains. Both issues could lead to remote denial of service or potential memory corruption.

References

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