Vulnerability · Published Oct 22, 2023 · Assigned by mitre
CVE-2023-46317
High 7.5
In plain English
A high-severity security flaw in the knot-resolver package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)0.8%top 44.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Knot Resolver before 5.7.0 performs many TCP reconnections upon receiving certain nonsensical responses from servers.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | knot-resolver | 5.6.0-1+deb12u1 | DEBIAN-CVE-2023-46317 |
| Debian:12 | knot-resolver | 5.6.0-1+deb12u1 | DSA-5633-1 |
| Debian:13 | knot-resolver | 5.7.0-1 | DEBIAN-CVE-2023-46317 |
| Debian:14 | knot-resolver | 5.7.0-1 | DEBIAN-CVE-2023-46317 |
| Ubuntu:24.04:LTS | knot-resolver | no fix listed | UBUNTU-CVE-2023-46317 |