High
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2022-47517
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 20:15 UTC · Revision 1
Source evidence
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.
osv:CVE-2022-47517
Complete source record
{
"id": "d2500d4f8bf43986f17b6bd30ad15e032a57f04ee9f4bf7fcf97a5b128eb5912",
"url": "https://osv.dev/vulnerability/CVE-2022-47517",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2022-47517",
"summary": "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.",
"evidence": "osv:CVE-2022-47517",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2022-47517",
"aliases": [
"CVE-2022-47517"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/davehorton/sofia-sip",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "22c1bd191f0acbf11f0c0fbea1845d9bf9dcd47e"
},
{
"fixed": "bfc79d85c8f3a4798a3305fb98f5a11c11d0d29f"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"fixed": "22c1bd191f0acbf11f0c0fbea1845d9bf9dcd47e"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "bfc79d85c8f3a4798a3305fb98f5a11c11d0d29f"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
},
{
"repo": "https://github.com/drachtio/drachtio-server",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "2a1c9b87ef379c6b4fb1c8b8372fa99a0c5e594c"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "0.8.19"
}
],
"source": "DESCRIPTION"
},
{
"cpe": "cpe:2.3:a:drachtio:drachtio-server:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "0.8.19"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"v0.8.19-rc11",
"v0.8.19-rc13",
"v0.8.19-rc12",
"v0.8.19-rc10",
"v0.8.19-rc9",
"v0.8.19-rc8",
"v0.8.19-rc7",
"v0.8.19-rc6",
"v0.8.19-rc5",
"v0.8.19-rc4",
"v0.8.19-rc3",
"v0.8.19-rc2",
"v0.8.19-rc1",
"v0.8.18-rc8",
"v0.8.18",
"v0.8.18-rc7",
"v0.8.18-rc6",
"v0.8.18-rc5",
"v0.8.18-rc3",
"v0.8.18-rc4",
"v0.8.18-rc2",
"v0.8.18-rc1",
"v0.8.17-rc4",
"v0.8.17",
"v0.8.17-rc1",
"v0.8.16",
"v0.8.16-rc2",
"v0.8.16-rc1",
"v0.8.15",
"v0.8.14",
"v0.8.13-rc4",
"v0.8.13",
"v0.8.13-rc3",
"v0.8.13-rc2",
"v0.8.13-rc1",
"v0.8.12-rc3",
"v0.8.12",
"v0.8.12-rc2",
"v0.8.12-rc1",
"v0.8.11-rc2",
"v0.8.11",
"v0.8.11-rc1",
"v0.8.10-rc1",
"v0.8.10",
"v0.8.7-rc1",
"v0.8.9",
"v0.8.9-rc2",
"v0.8.9-rc1",
"v0.8.8-rc2",
"v0.8.8",
"v0.8.8-rc1",
"v0.8.7-rc7",
"v0.8.7",
"v0.8.7-rc6",
"v0.8.7-rc5",
"v0.8.7-rc4",
"v0.8.7-rc3",
"v0.8.7-rc2",
"v0.8.6-rc2",
"v0.8.6",
"v0.8.6-rc1",
"v0.8.5-rc3",
"v0.8.5",
"v0.8.5-rc2",
"v0.8.5-rc1",
"v0.8.4",
"v0.8.4-rc7",
"v0.8.4-rc6",
"v0.8.4-rc5",
"v0.8.4-rc4",
"v0.8.4-rc3",
"v0.8.4-rc2",
"v0.8.4-rc1",
"v0.8.3",
"v0.8.3-rc3",
"v0.8.3-rc2",
"v0.8.3-rc1",
"v0.8.2-rc3",
"v0.8.2",
"v0.8.2-rc2",
"v0.8.2-rc1",
"v0.8.1-rc3",
"v0.8.1",
"v0.8.1-rc2",
"v0.8.1-rc1",
"v0.8.0",
"v0.8.0-rc7",
"v0.8.0-rc6",
"v0.8.0-rc5",
"v0.8.0-rc4",
"v0.8.0-rc3",
"v0.8.0-rc2",
"v0.8.0-rc1",
"v0.7.4-rc2",
"v0.7.4-rc1",
"v0.7.3-rc6",
"v0.7.3",
"v0.7.3-rc5",
"v0.7.3-rc3",
"v0.7.3-rc2",
"v0.7.3-rc1",
"v0.7.2-rc4",
"v0.7.2-rc3",
"v0.7.2-rc2",
"v0.7.2-rc1",
"v0.6.0",
"gc-v1.1",
"0.4.1-rc3",
"0.4.1",
"0.5.0-rc6",
"0.5.0",
"0.5.0-rc5",
"0.5.0-rc4",
"0.5.0-rc3",
"0.5.0-rc2",
"0.5.0-rc1",
"0.4.1-rc2",
"0.4.1-rc1",
"0.4.0-rc6",
"0.4.0-rc5",
"0.4.0-rc4",
"0.4.0-rc3",
"0.0.4-rc2",
"0.4.0-rc1",
"0.3.0",
"0.2.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-47517.json"
}
}
],
"modified": "2026-10-28T02:30:39.121287097Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/47xxx/CVE-2022-47517.json",
"https://nvd.nist.gov/vuln/detail/CVE-2022-47517",
"https://github.com/drachtio/drachtio-server/issues/243",
"https://github.com/davehorton/sofia-sip/commit/22c1bd191f0acbf11f0c0fbea1845d9bf9dcd47e",
"https://github.com/davehorton/sofia-sip/commit/bfc79d85c8f3a4798a3305fb98f5a11c11d0d29f"
],
"provider_metadata": {
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/47xxx/CVE-2022-47517.json"
}
},
"related_cves": [
{
"value": "CVE-2022-47517",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 506568,
"published_at": "2022-12-18T00:00:00+00:00"
}