MediumFix available
openssl-4.0 — security advisory
This notice tracks CVE-2026-42766 for openssl-4.0. Fixed in: 4.0.1-r0.
- Products
- openssl-4.0
- Affected versions
- Not specified
- Fixed versions
- 4.0.1-r0
- CVEs
- CVE-2026-42766
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 14:18 UTC · Revision 1
Source evidence
CGA-j7q5-4fh6-jwmm
osv:CGA-j7q5-4fh6-jwmm
openssl-4.0
Fixed versions: 4.0.1-r0
openssl-4.0
Fixed versions: 4.0.1-r0
Complete source record
{
"id": "be6214855da4b806ae4009b23e9b2bf11533ee9b388ccae5dd0de4f4692f9ddc",
"url": "https://osv.dev/vulnerability/CGA-j7q5-4fh6-jwmm",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CGA-j7q5-4fh6-jwmm",
"summary": "CGA-j7q5-4fh6-jwmm",
"evidence": "osv:CGA-j7q5-4fh6-jwmm",
"products": [
{
"name": {
"value": "openssl-4.0",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.0.1-r0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssl-4.0",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.0.1-r0",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "CGA-j7q5-4fh6-jwmm",
"aliases": [
"CGA-j7q5-4fh6-jwmm"
],
"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": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.0.1-r0"
}
]
}
],
"package": {
"name": "openssl-4.0",
"purl": "pkg:apk/chainguard/openssl-4.0?arch=aarch64",
"ecosystem": "Chainguard"
},
"database_specific": {
"source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-j7q5-4fh6-jwmm.json",
"chainguard": {
"applies_to_subpackages": false
}
},
"ecosystem_specific": {
"components": [
{
"component_name": "openssl-4.0",
"component_purl": "pkg:apk/openssl-4.0",
"component_type": "apk",
"component_version": "",
"component_location": "/.PKGINFO",
"latest_event_status": "fixed",
"latest_event_timestamp": "2026-10-27T01:59:22Z"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.0.1-r0"
}
]
}
],
"package": {
"name": "openssl-4.0",
"purl": "pkg:apk/wolfi/openssl-4.0?arch=aarch64",
"ecosystem": "Wolfi"
},
"database_specific": {
"source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-j7q5-4fh6-jwmm.json",
"chainguard": {
"applies_to_subpackages": false
}
},
"ecosystem_specific": {
"components": [
{
"component_name": "openssl-4.0",
"component_purl": "pkg:apk/openssl-4.0",
"component_type": "apk",
"component_version": "",
"component_location": "/.PKGINFO",
"latest_event_status": "fixed",
"latest_event_timestamp": "2026-10-27T01:59:22Z"
}
]
}
}
],
"modified": "2026-10-27T19:45:36.391082833Z",
"provider": "osv",
"upstream": [
"CVE-2026-42766",
"GHSA-58mv-qqmv-gqgv"
],
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42766.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-42766",
"https://openssl-library.org/news/secadv/20260609.txt",
"https://github.com/openssl/openssl/commit/056d06c1918fafbb98c1c85a02e4c47cc4e199ce",
"https://github.com/openssl/openssl/commit/12bc26ffb3a2be728c9b86e1cae277de5b33dfa4",
"https://github.com/openssl/openssl/commit/3ff64913615d648cfbb6a6f1cf5529ae7ea829d7",
"https://github.com/openssl/openssl/commit/ab52d88cb5374876d59aee3c91f9e4ccce2b7ce4",
"https://github.com/openssl/openssl/commit/da26f368732b83e40e9d356fe61c3d3aaab6d2e8"
]
},
"related_cves": [
{
"value": "CVE-2026-42766",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 485455,
"published_at": "2026-10-27T01:59:22+00:00"
}