CVE-2017-15120
HIGH7.5EPSS 0.33%pdns-recursor - security update
Published: 7/27/2018Modified: 4/28/2026
Description
An issue has been found in the parsing of authoritative answers in PowerDNS Recursor before 4.0.8, leading to a NULL pointer dereference when parsing a specially crafted answer containing a CNAME of a different class than IN. An unauthenticated remote attacker could cause a denial of service.
Affected packages (2)
- Debian/pdns-recursorfrom 0, < 4.1.0-1
- Debian/pdns-recursorfrom 0, < 4.0.4-1+deb9u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |