Medium
Crash for scoped ip address in Envoy during DNS
Type: advisorySources: OSV
Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, calling Utility::getAddressWithPort with a scoped IPv6 addresses causes a crash. This utility is called in the data plane from the original_src filter and the dns filter. This vulnerability is fixed in 1.37.1, 1.36.5, 1.35.8, and 1.34.13.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-26310
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 21:55 UTC · Revision 1
Source evidence
Crash for scoped ip address in Envoy during DNS
core-osv · Original sourcePublished 10 Mar 2026, 19:08 UTC
Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, calling Utility::getAddressWithPort with a scoped IPv6 addresses causes a crash. This utility is called in the data plane from the original_src filter and the dns filter. This vulnerability is fixed in 1.37.1, 1.36.5, 1.35.8, and 1.34.13.
osv:CVE-2026-26310
Complete source record
{
"id": "42d7323196574bb98326529c0e045c75103f4716d4fc85c330a6734fa54ab53b",
"url": "https://osv.dev/vulnerability/CVE-2026-26310",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Crash for scoped ip address in Envoy during DNS",
"summary": "Envoy is a high-performance edge/middle/service proxy. Prior to 1.37.1, 1.36.5, 1.35.8, and 1.34.13, calling Utility::getAddressWithPort with a scoped IPv6 addresses causes a crash. This utility is called in the data plane from the original_src filter and the dns filter. This vulnerability is fixed in 1.37.1, 1.36.5, 1.35.8, and 1.34.13.",
"evidence": "osv:CVE-2026-26310",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-26310",
"aliases": [
"BIT-envoy-2026-26310",
"CVE-2026-26310",
"GHSA-3cw6-2j68-868p"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/envoyproxy/envoy",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "7c0fda3dc457de6ee4585e8129e3f5728d65f367"
},
{
"introduced": "84305a6cb64bd55aaf606bdd53de7cd6080427a1"
},
{
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},
{
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{
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"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.34.13"
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"source": "CPE_RANGE"
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{
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],
"source": "CPE_RANGE"
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{
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"range": [
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{
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"source": "CPE_RANGE"
},
{
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"range": [
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}
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"v1.32.0",
"v1.31.0",
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"v1.29.0",
"v1.28.0",
"v1.27.0",
"v1.26.0",
"v1.25.0",
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"v1.23.0",
"v1.22.0",
"v1.21.0",
"v1.20.0",
"v1.19.0",
"v1.18.2",
"v1.18.1",
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-26310.json"
}
}
],
"modified": "2026-10-28T02:30:24.192438272Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26310.json",
"https://github.com/envoyproxy/envoy/security/advisories/GHSA-3cw6-2j68-868p",
"https://nvd.nist.gov/vuln/detail/CVE-2026-26310"
],
"provider_metadata": {
"cwe_ids": [
"CWE-20"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/26xxx/CVE-2026-26310.json"
}
},
"related_cves": [
{
"value": "CVE-2026-26310",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 490412,
"published_at": "2026-03-10T19:08:22.33+00:00"
}