VULNERABILITY INTELLIGENCE

CVE-2022-47517

CVSS score7.5 HIGH

EPSS probability1.56%

CISA KEVNot currently listed

Published2022-12-18

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

nvd@nist.gov: CWE-193
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-193

Primary references

cve@mitre.org — Patch, Third Party Advisory
cve@mitre.org — Patch, Third Party Advisory
cve@mitre.org — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory