Vulnerability · Published Jan 9, 2022 · Assigned by mitre
CVE-2022-22846
High 7.5
In plain English
A high-severity security flaw in the python-dnslib package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.9%top 40.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
The dnslib package through 0.9.16 for Python does not verify that the ID value in a DNS reply matches an ID value in a query.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | python-dnslib | 0.9.18-1 | DEBIAN-CVE-2022-22846 |
| Debian:13 | python-dnslib | 0.9.18-1 | DEBIAN-CVE-2022-22846 |
| Debian:14 | python-dnslib | 0.9.18-1 | DEBIAN-CVE-2022-22846 |
| PyPI | dnslib | 0.9.17 | GHSA-r478-c2pc-m7gx |
| PyPI | dnslib | 0.9.17 | PYSEC-2022-4 |
| Ubuntu:22.04:LTS | python-dnslib | no fix listed | UBUNTU-CVE-2022-22846 |
| Ubuntu:24.04:LTS | python-dnslib | no fix listed | UBUNTU-CVE-2022-22846 |
| Ubuntu:25.10 | python-dnslib | no fix listed | UBUNTU-CVE-2022-22846 |
| Ubuntu:26.04:LTS | python-dnslib | no fix listed | UBUNTU-CVE-2022-22846 |
| Ubuntu:26.10 | python-dnslib | no fix listed | UBUNTU-CVE-2022-22846 |
Affected products (as reported)
References
- https://github.com/paulc/dnslib/issues/30 x_refsource_MISC