CVE-2017-14339
CVE-2017-14339 is a high-severity vulnerability in Yadifa with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-835.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 7.8
- EPSS exploit prediction: 3% (83rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-835
- Affected product: Yadifa
- Published:
- Last modified:
Description
The DNS packet parser in YADIFA before 2.2.6 does not check for the presence of infinite pointer loops, and thus it is possible to force it to enter an infinite loop. This can cause high CPU usage and makes the server unresponsive.
Frequently asked questions
- What is CVE-2017-14339?
- The DNS packet parser in YADIFA before 2.2.6 does not check for the presence of infinite pointer loops, and thus it is possible to force it to enter an infinite loop. This can cause high CPU usage and makes the server unresponsive.
- How severe is CVE-2017-14339?
- CVE-2017-14339 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2017-14339 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-14339?
- CVE-2017-14339 affects Yadifa. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-14339?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2017-14339 published?
- CVE-2017-14339 was published on 2017-09-20 and last updated on 2026-06-17.
References
- http://www.debian.org/security/2017/dsa-4001
- https://github.com/yadifa/yadifa/blob/v2.2.6/ChangeLog
- https://www.tarlogic.com/blog/fuzzing-yadifa-dns/
Affected products (1)
- cpe:2.3:a:yadifa:yadifa:*:*:*:*:*:*:*:*
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