CVE-2022-47517

An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows...

7.5 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.56%Up 0.5 points since Dec 18, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2022-47517
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-193
Updated: 2026-11-02

CVE List 7.5

Record: CVE-2022-47517
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-193
Updated: 2026-11-02

EUVDEUVD-2022-50278 7.5

Record: EUVD-2022-50278
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-c8mq-83h4-gm57 7.5

An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.19. It allows...

Record: GHSA-c8mq-83h4-gm57
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness: CWE-193, CWE-787
Updated: 2026-11-02

OSV 7.5

Record: CVE-2022-47517
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

drachtio drachtio-server

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-47517 is a high vulnerability (CVSS 7.5) in Drachtio Drachtio-server, published December 18, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.56%, the 75th percentile. No source names a fixed version.