What’s Vulnerable › Vulnerabilities

CVE-2017-14339

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-09-20 · updated 2026-06-17
• Weakness: CWE-835

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.

Affected products

• Yadifa: through 2.2.5

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/
• 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/

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