Back
CVE-2017-15908
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…
High7.5EPSS 23.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 23.6% · top 2.2% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (5)
- 1039662 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 101600 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://github.com/systemd/systemd/pull/7184 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-3558-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1725351 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .