CVE-2017-15908
7.5
HIGH
CVSS 3.1
EPSS 0.27%
Description
In systemd 223 through 235, a remote DNS server can respond with a custom crafted DNS NSEC resource record to trigger an infinite loop in the dns_packet_read_type_window() function of the 'systemd-resolved' service and cause a DoS of the affected service.
How to fix CVE-2017-15908
To remediate CVE-2017-15908, upgrade the affected package to a fixed version below.
- Debian/systemd—upgrade to 235-3 or later
Is CVE-2017-15908 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 235-3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |