CVE-2018-16855CWE-125

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…

High · published December 3, 2018

Patch now

High probability of exploitation

CVSS calls it high at 7.5. It sits in the 99.1th percentile for exploit probability.

CVSS v3.0
7.5
EPSS
59%
Percentile
99.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
7.5 · HIGH
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.58577 · 99.1th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2018-12-03T14:00Z
EPSS history
Timeline
  • 03 DEC 14:00Z
    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…
    cvelistv5