What’s Vulnerable › Vulnerabilities
CVE-2017-9104
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-06-18 · updated 2026-06-17
- Weakness: CWE-400
Description
An issue was discovered in adns before 1.5.2. It hangs, eating CPU, if a compression pointer loop is encountered.
Affected products
- Fedoraproject Fedora: 31, 32
- GNU Adns: before 1.5.2 — fixed in 1.5.2
- openSUSE Leap: 15.1
How to fix
Upgrade to a fixed version: GNU Adns 1.5.2. Check the vendor advisory for mitigations.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00037.html
- http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git
- http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git%3Ba=blob%3Bf=changelog
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRVHN3GGVNQWAOL3PWC5FLAV7HUESLZR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UGFZ4SPV6KFQK6ZNUZFB5Y32OYFOM5YJ/
- https://www.chiark.greenend.org.uk/pipermail/adns-announce/2020/000004.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00037.html
- http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git
- http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git%3Ba=blob%3Bf=changelog
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TRVHN3GGVNQWAOL3PWC5FLAV7HUESLZR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UGFZ4SPV6KFQK6ZNUZFB5Y32OYFOM5YJ/
- https://www.chiark.greenend.org.uk/pipermail/adns-announce/2020/000004.html
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