CVE-2022-47517
CVSS v3
7.5
HIGH
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_canonize2 heap-based buffer over-read because of an off-by-one error.
Technical details
- Published
- 2022-12-18
Frequently asked questions
What is CVE-2022-47517?
An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that causes a url_canonize2 heap-based buffer over-read because of an off-by-one error.
Is CVE-2022-47517 actively exploited?
Active exploitation of CVE-2022-47517 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-47517?
CVE-2022-47517 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2022-47517 affecting your environment?
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