CVEvulnerability
CVE-2018-16855
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-12-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-125
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.
Affected configurations
• powerdns recursor (< 4.1.8)
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855 Issue Tracking, Third Party Advisory
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16855 Issue Tracking, Third Party Advisory
- https://docs.powerdns.com/recursor/security-advisories/powerdns-advisory-2018-09.html Vendor Advisory