What is CVE-2018-16855?

CVE-2018-16855 is a high-severity vulnerability in [Unknown] Pdns-recursor, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2018-12-03.

How severe is CVE-2018-16855?

High severity. CVSS v3 base score is 7.5 out of 10.

Out-of-bounds Read in [Unknown] Pdns-recursor

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 c…

Vulnerability class: Buffer Overflow

EPSS: 0.708 (98.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

[Unknown] Pdns-recursor — versions 4.1.8

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

bugzilla.redhat.com/show_bug.cgi (x_refsource_CONFIRM)
docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html (x_refsource_MISC)

Frequently asked questions

What is CVE-2018-16855?: CVE-2018-16855 is a high-severity vulnerability in [Unknown] Pdns-recursor, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2018-12-03.
How severe is CVE-2018-16855?: High severity. CVSS v3 base score is 7.5 out of 10.