HighFix available
Red Hat Security Advisory: golang security, bug fix, and enhancement update
Type: advisorySources: OSV
- Products
- go-toolset, golang, golang-bin, golang-docs, golang-misc, golang-race, golang-src, golang-tests
- Affected versions
- Not specified
- Fixed versions
- 0:1.26.5-1.el10_2
- CVEs
- CVE-2026-39821, CVE-2026-39822, CVE-2026-42505
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 09:10 UTC · Revision 1
Source evidence
Red Hat Security Advisory: golang security, bug fix, and enhancement update
core-osv · Original sourcePublished 11 Jul 2026, 10:05 UTC
Red Hat Security Advisory: golang security, bug fix, and enhancement update
osv:RHSA-2026:37436
go-toolset
Fixed versions: 0:1.26.5-1.el10_2
golang
Fixed versions: 0:1.26.5-1.el10_2
golang-bin
Fixed versions: 0:1.26.5-1.el10_2
golang-docs
Fixed versions: 0:1.26.5-1.el10_2
golang-misc
Fixed versions: 0:1.26.5-1.el10_2
golang-race
Fixed versions: 0:1.26.5-1.el10_2
golang-src
Fixed versions: 0:1.26.5-1.el10_2
golang-tests
Fixed versions: 0:1.26.5-1.el10_2
Complete source record
{
"id": "5591047b344dfd847550cd87c3a7133f668990e1fe94b5a91345c158713e9eaa",
"url": "https://osv.dev/vulnerability/RHSA-2026%3A37436",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Red Hat Security Advisory: golang security, bug fix, and enhancement update",
"summary": "Red Hat Security Advisory: golang security, bug fix, and enhancement update",
"evidence": "osv:RHSA-2026:37436",
"products": [
{
"name": {
"value": "go-toolset",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.26.5-1.el10_2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "golang",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.26.5-1.el10_2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "golang-bin",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.26.5-1.el10_2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "golang-docs",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.26.5-1.el10_2",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "golang-misc",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.26.5-1.el10_2",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "golang-race",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.26.5-1.el10_2",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "golang-src",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.26.5-1.el10_2",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "golang-tests",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.26.5-1.el10_2",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "RHSA-2026:37436",
"aliases": [
"RHSA-2026:37436"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.26.5-1.el10_2"
}
]
}
],
"package": {
"name": "go-toolset",
"purl": "pkg:rpm/redhat/go-toolset",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:37436.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.26.5-1.el10_2"
}
]
}
],
"package": {
"name": "golang",
"purl": "pkg:rpm/redhat/golang",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:37436.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.26.5-1.el10_2"
}
]
}
],
"package": {
"name": "golang-bin",
"purl": "pkg:rpm/redhat/golang-bin",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:37436.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.26.5-1.el10_2"
}
]
}
],
"package": {
"name": "golang-docs",
"purl": "pkg:rpm/redhat/golang-docs",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:37436.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.26.5-1.el10_2"
}
]
}
],
"package": {
"name": "golang-misc",
"purl": "pkg:rpm/redhat/golang-misc",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:37436.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.26.5-1.el10_2"
}
]
}
],
"package": {
"name": "golang-race",
"purl": "pkg:rpm/redhat/golang-race",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:37436.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.26.5-1.el10_2"
}
]
}
],
"package": {
"name": "golang-src",
"purl": "pkg:rpm/redhat/golang-src",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:37436.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.26.5-1.el10_2"
}
]
}
],
"package": {
"name": "golang-tests",
"purl": "pkg:rpm/redhat/golang-tests",
"ecosystem": "Red Hat:enterprise_linux:10.2"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:37436.json"
}
}
],
"modified": "2026-10-20T10:08:07Z",
"provider": "osv",
"upstream": [
"CVE-2026-39821",
"CVE-2026-39822",
"CVE-2026-42505"
],
"references": [
"https://access.redhat.com/errata/RHSA-2026:37436",
"https://access.redhat.com/security/updates/classification/#important",
"https://bugzilla.redhat.com/show_bug.cgi?id=2480756",
"https://bugzilla.redhat.com/show_bug.cgi?id=2498152",
"https://issues.redhat.com/browse/RHEL-193473",
"https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_37436.json",
"https://access.redhat.com/security/cve/CVE-2026-39821",
"https://www.cve.org/CVERecord?id=CVE-2026-39821",
"https://nvd.nist.gov/vuln/detail/CVE-2026-39821",
"https://go.dev/cl/767220",
"https://go.dev/issue/78760",
"https://groups.google.com/g/golang-announce/c/iI-mYSI0lu8",
"https://pkg.go.dev/vuln/GO-2026-5026",
"https://access.redhat.com/security/cve/CVE-2026-39822",
"https://www.cve.org/CVERecord?id=CVE-2026-39822",
"https://nvd.nist.gov/vuln/detail/CVE-2026-39822",
"https://go.dev/cl/797880",
"https://go.dev/issue/79005",
"https://groups.google.com/g/golang-announce/c/OrmQE_Yp5Sc",
"https://pkg.go.dev/vuln/GO-2026-4970",
"https://access.redhat.com/security/cve/CVE-2026-42505",
"https://bugzilla.redhat.com/show_bug.cgi?id=2498138",
"https://www.cve.org/CVERecord?id=CVE-2026-42505",
"https://nvd.nist.gov/vuln/detail/CVE-2026-42505",
"https://go.dev/cl/775960",
"https://go.dev/issue/79282",
"https://pkg.go.dev/vuln/GO-2026-5856"
]
},
"related_cves": [
{
"value": "CVE-2026-39821",
"evidence": "/upstream"
},
{
"value": "CVE-2026-39822",
"evidence": "/upstream"
},
{
"value": "CVE-2026-42505",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 378253,
"published_at": "2026-07-11T10:05:43+00:00"
}