Vulnerability Details CVE-2018-16855
An issue has been found in PowerDNS Recursor before version 4.1.8 where a remote attacker sending a DNS query can trigger an out-of-bounds memory read while computing the hash of the query for a packet cache lookup, possibly leading to a crash.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.198
EPSS Ranking 95.1%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2018-16855
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cpe:2.3:a:powerdns:recursor:3.0
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cpe:2.3:a:powerdns:recursor:3.0.1
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cpe:2.3:a:powerdns:recursor:3.1.1
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cpe:2.3:a:powerdns:recursor:3.1.2
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cpe:2.3:a:powerdns:recursor:3.1.3
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cpe:2.3:a:powerdns:recursor:3.1.4
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cpe:2.3:a:powerdns:recursor:3.1.5
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cpe:2.3:a:powerdns:recursor:3.1.6
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cpe:2.3:a:powerdns:recursor:3.1.7
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cpe:2.3:a:powerdns:recursor:3.1.7.1
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cpe:2.3:a:powerdns:recursor:3.1.7.2
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cpe:2.3:a:powerdns:recursor:3.2
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cpe:2.3:a:powerdns:recursor:3.3
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cpe:2.3:a:powerdns:recursor:3.3.1
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cpe:2.3:a:powerdns:recursor:3.5
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cpe:2.3:a:powerdns:recursor:3.5.1
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cpe:2.3:a:powerdns:recursor:3.5.2
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cpe:2.3:a:powerdns:recursor:3.5.3
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cpe:2.3:a:powerdns:recursor:3.6.0
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cpe:2.3:a:powerdns:recursor:3.6.1
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cpe:2.3:a:powerdns:recursor:3.6.2
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cpe:2.3:a:powerdns:recursor:3.6.3
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cpe:2.3:a:powerdns:recursor:3.6.4
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cpe:2.3:a:powerdns:recursor:3.7.0
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cpe:2.3:a:powerdns:recursor:3.7.1
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cpe:2.3:a:powerdns:recursor:3.7.2
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cpe:2.3:a:powerdns:recursor:3.7.3
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cpe:2.3:a:powerdns:recursor:3.7.4
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cpe:2.3:a:powerdns:recursor:4.0.0
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cpe:2.3:a:powerdns:recursor:4.0.1
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cpe:2.3:a:powerdns:recursor:4.0.2
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cpe:2.3:a:powerdns:recursor:4.0.3
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cpe:2.3:a:powerdns:recursor:4.0.4
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cpe:2.3:a:powerdns:recursor:4.0.5
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cpe:2.3:a:powerdns:recursor:4.0.6
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cpe:2.3:a:powerdns:recursor:4.0.7
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cpe:2.3:a:powerdns:recursor:4.0.8
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cpe:2.3:a:powerdns:recursor:4.1.0
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cpe:2.3:a:powerdns:recursor:4.1.1
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cpe:2.3:a:powerdns:recursor:4.1.2
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cpe:2.3:a:powerdns:recursor:4.1.3
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cpe:2.3:a:powerdns:recursor:4.1.4
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cpe:2.3:a:powerdns:recursor:4.1.5
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cpe:2.3:a:powerdns:recursor:4.1.6
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cpe:2.3:a:powerdns:recursor:4.1.7