CVE-2018-16855

UnknownEPSS 59.47%

Last modified

CVE-2018-16855 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 59.47% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
59.47%

99.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
PowerdnsRecursor< 4.1.8

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2018-16855?
Severity scoring for CVE-2018-16855 is pending analysis. The EPSS model estimates a 59.47% probability of exploitation in the next 30 days.
How do I fix CVE-2018-16855?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-16855?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST