High
nanomsg — security advisory
Nanomsg versions 0.5-beta through 1.x before 1.2.3 has a remotely exploitable buffer overflow in the WebSocket transport, due to an unchecked copy of the Sec-WebSocket-Version header, through snprintf.
- Products
- nanomsg
- Affected versions
- 0.5~beta+dfsg-1, 0.8~beta+dfsg-1, 1.1.5+dfsg-1, 1.1.5+dfsg-1.1, 1.1.5+dfsg-1.1build2, 1.1.5+dfsg-1.2
- Fixed versions
- Not specified
- CVEs
- CVE-2026-97152
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 03:35 UTC · Revision 1
Source evidence
Nanomsg versions 0.5-beta through 1.x before 1.2.3 has a remotely exploitable buffer overflow in the WebSocket transport, due to an unchecked copy of the Sec-WebSocket-Version header, through snprintf.
osv:UBUNTU-CVE-2026-97152
nanomsg
Fixed versions: Not specified
nanomsg
Fixed versions: Not specified
nanomsg
Fixed versions: Not specified
nanomsg
Fixed versions: Not specified
nanomsg
Fixed versions: Not specified
nanomsg
Fixed versions: Not specified
nanomsg
Fixed versions: Not specified
Complete source record
{
"id": "6855a280248afa14dd77187e8f98ce6da714bf769ef72d6c62062b6073959ce0",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-97152",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-97152",
"summary": "Nanomsg versions 0.5-beta through 1.x before 1.2.3 has a remotely exploitable buffer overflow in the WebSocket transport, due to an unchecked copy of the Sec-WebSocket-Version header, through snprintf.",
"evidence": "osv:UBUNTU-CVE-2026-97152",
"products": [
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{
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"severity": "high",
"structured": {
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"aliases": [
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"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:H"
},
{
"type": "Ubuntu",
"score": "medium"
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"affected": [
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"events": [
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"package": {
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"versions": [
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"database_specific": {
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},
"ecosystem_specific": {
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"package": {
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"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
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],
"database_specific": {
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"ecosystem_specific": {
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},
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},
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"1.1.5+dfsg-1.2"
],
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},
"ecosystem_specific": {
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{
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},
{
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}
],
"modified": "2026-10-17T13:01:20.255872203Z",
"provider": "osv",
"upstream": [
"CVE-2026-97152"
],
"references": [
"https://ubuntu.com/security/CVE-2026-97152",
"https://www.cve.org/CVERecord?id=CVE-2026-97152",
"https://github.com/nanomsg/nanomsg/pull/1130",
"https://github.com/nanomsg/nanomsg/releases/tag/1.2.3",
"https://nanomsg.org"
]
},
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"evidence": "/upstream"
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],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 361757,
"published_at": "2026-09-24T04:18:00+00:00"
}