High severity7.5NVD Advisory· Published Dec 18, 2022· Updated Jun 17, 2026
CVE-2022-47517
CVE-2022-47517
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3cpe:2.3:a:drachtio:drachtio-server:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:drachtio:drachtio-server:*:*:*:*:*:*:*:*range: <0.8.19
- (no CPE)range: <0.8.19
- libsofia-sip fork/drachtio-serverdescription
Patches
Vulnerability mechanics
References
3- github.com/davehorton/sofia-sip/commit/22c1bd191f0acbf11f0c0fbea1845d9bf9dcd47envdPatchThird Party Advisory
- github.com/davehorton/sofia-sip/commit/bfc79d85c8f3a4798a3305fb98f5a11c11d0d29fnvdPatchThird Party Advisory
- github.com/drachtio/drachtio-server/issues/243nvdExploitThird Party Advisory
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