Security update for go1.26
This update for go1.26 fixes the following issues: Update to go 1.26.9 (bsc#1255111): - CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on Windows (bsc#1284766). - CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after CONNECT rejection (bsc#1284767). - CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1284768). - CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related headers (bsc#1284769). - CVE-2026-78667: net/http: lack of limit on size of parsed Range headers (bsc#1284771). - CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response (bsc#1284773). - CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when parsing MIME headers (bsc#1284774). - CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140 (bsc#1284775). - CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain (bsc#1284776). - CVE-2026-94448: html/template: reset context tracking on consecutive template expressions (bsc#1284777). - CVE-2026-97030: html/template: recognize yield as regexp preceder keyword (bsc#1284778). - CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references (bsc#1284779). - CVE-2026-97032: net/http: HTTP/2 server crash due to HPACK encoder race (bsc#1284780). Changes: - go1.26.9 (released 2026-10-08) includes security fixes to the go command, and the crypto/tls, html/template, net/http, net/textpr
- Products
- go1.26
- Affected versions
- Not specified
- Fixed versions
- 1.26.9-160000.1.1
- CVEs
- CVE-2026-56857, CVE-2026-56866, CVE-2026-78659, CVE-2026-78660, CVE-2026-78667, CVE-2026-94439, CVE-2026-94440, CVE-2026-94444, CVE-2026-94447, CVE-2026-94448, CVE-2026-97030, CVE-2026-97031, CVE-2026-97032
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 15:32 UTC · Revision 1
Source evidence
This update for go1.26 fixes the following issues: Update to go 1.26.9 (bsc#1255111): - CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on Windows (bsc#1284766). - CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after CONNECT rejection (bsc#1284767). - CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1284768). - CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related headers (bsc#1284769). - CVE-2026-78667: net/http: lack of limit on size of parsed Range headers (bsc#1284771). - CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response (bsc#1284773). - CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when parsing MIME headers (bsc#1284774). - CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140 (bsc#1284775). - CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain (bsc#1284776). - CVE-2026-94448: html/template: reset context tracking on consecutive template expressions (bsc#1284777). - CVE-2026-97030: html/template: recognize yield as regexp preceder keyword (bsc#1284778). - CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references (bsc#1284779). - CVE-2026-97032: net/http: HTTP/2 server crash due to HPACK encoder race (bsc#1284780). Changes: - go1.26.9 (released 2026-10-08) includes security fixes to the go command, and the crypto/tls, html/template, net/http, net/textpr
osv:SUSE-SU-2026:24239-1
go1.26
Fixed versions: 1.26.9-160000.1.1
go1.26
Fixed versions: 1.26.9-160000.1.1
Complete source record
{
"id": "9c877fdb45bac00986e1a6dad5f761ec0574e3180b6e49b8a60f05c1c8e6fc38",
"url": "https://osv.dev/vulnerability/SUSE-SU-2026%3A24239-1",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Security update for go1.26",
"summary": "This update for go1.26 fixes the following issues: Update to go 1.26.9 (bsc#1255111): - CVE-2026-56857: os: Root.Mkdir(All) can follow junctions out of the root on Windows (bsc#1284766). - CVE-2026-56866: net/http: HTTP/1 client connection desynchronization after CONNECT rejection (bsc#1284767). - CVE-2026-78659: net/http: HTTP/2 server memory exhaustion due to Trailer headers (bsc#1284768). - CVE-2026-78660: net/http: HTTP/2 transport accepts malformed framing-related headers (bsc#1284769). - CVE-2026-78667: net/http: lack of limit on size of parsed Range headers (bsc#1284771). - CVE-2026-94439: net/http: HTTP/1 server connection desynchronization after 2xx CONNECT response (bsc#1284773). - CVE-2026-94440: net/textproto, mime/multipart: memory limit bypass when parsing MIME headers (bsc#1284774). - CVE-2026-94444: cmd/go: checksum bypass for golang.org/fips140 (bsc#1284775). - CVE-2026-94447: cmd/go: checksum database bypass for golang.org/toolchain (bsc#1284776). - CVE-2026-94448: html/template: reset context tracking on consecutive template expressions (bsc#1284777). - CVE-2026-97030: html/template: recognize yield as regexp preceder keyword (bsc#1284778). - CVE-2026-97031: crypto/tls: reject malformed ECH outer extension references (bsc#1284779). - CVE-2026-97032: net/http: HTTP/2 server crash due to HPACK encoder race (bsc#1284780). Changes: - go1.26.9 (released 2026-10-08) includes security fixes to the go command, and the crypto/tls, html/template, net/http, net/textpr",
"evidence": "osv:SUSE-SU-2026:24239-1",
"products": [
{
"name": {
"value": "go1.26",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.26.9-160000.1.1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "go1.26",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.26.9-160000.1.1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "SUSE-SU-2026:24239-1",
"aliases": [
"SUSE-SU-2026:24239-1"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.26.9-160000.1.1"
}
]
}
],
"package": {
"name": "go1.26",
"purl": "pkg:rpm/suse/go1.26&distro=SUSE%20Linux%20Enterprise%20Server%2016.0",
"ecosystem": "SUSE:Linux Enterprise Server 16.0"
},
"database_specific": {
"source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:24239-1.json"
},
"ecosystem_specific": {
"binaries": [
{
"go1.26": "1.26.9-160000.1.1",
"go1.26-doc": "1.26.9-160000.1.1",
"go1.26-race": "1.26.9-160000.1.1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.26.9-160000.1.1"
}
]
}
],
"package": {
"name": "go1.26",
"purl": "pkg:rpm/suse/go1.26&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0",
"ecosystem": "SUSE:Linux Enterprise Server for SAP applications 16.0"
},
"database_specific": {
"source": "https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2026:24239-1.json"
},
"ecosystem_specific": {
"binaries": [
{
"go1.26": "1.26.9-160000.1.1",
"go1.26-doc": "1.26.9-160000.1.1",
"go1.26-race": "1.26.9-160000.1.1"
}
]
}
}
],
"modified": "2026-10-21T17:23:11.945901699Z",
"provider": "osv",
"upstream": [
"CVE-2026-56857",
"CVE-2026-56866",
"CVE-2026-78659",
"CVE-2026-78660",
"CVE-2026-78667",
"CVE-2026-94439",
"CVE-2026-94440",
"CVE-2026-94444",
"CVE-2026-94447",
"CVE-2026-94448",
"CVE-2026-97030",
"CVE-2026-97031",
"CVE-2026-97032"
],
"references": [
"https://www.suse.com/support/update/announcement/2026/suse-su-202624239-1/",
"https://bugzilla.suse.com/1255111",
"https://bugzilla.suse.com/1284766",
"https://bugzilla.suse.com/1284767",
"https://bugzilla.suse.com/1284768",
"https://bugzilla.suse.com/1284769",
"https://bugzilla.suse.com/1284771",
"https://bugzilla.suse.com/1284773",
"https://bugzilla.suse.com/1284774",
"https://bugzilla.suse.com/1284775",
"https://bugzilla.suse.com/1284776",
"https://bugzilla.suse.com/1284777",
"https://bugzilla.suse.com/1284778",
"https://bugzilla.suse.com/1284779",
"https://bugzilla.suse.com/1284780",
"https://www.suse.com/security/cve/CVE-2026-56857",
"https://www.suse.com/security/cve/CVE-2026-56866",
"https://www.suse.com/security/cve/CVE-2026-78659",
"https://www.suse.com/security/cve/CVE-2026-78660",
"https://www.suse.com/security/cve/CVE-2026-78667",
"https://www.suse.com/security/cve/CVE-2026-94439",
"https://www.suse.com/security/cve/CVE-2026-94440",
"https://www.suse.com/security/cve/CVE-2026-94444",
"https://www.suse.com/security/cve/CVE-2026-94447",
"https://www.suse.com/security/cve/CVE-2026-94448",
"https://www.suse.com/security/cve/CVE-2026-97030",
"https://www.suse.com/security/cve/CVE-2026-97031",
"https://www.suse.com/security/cve/CVE-2026-97032"
]
},
"related_cves": [
{
"value": "CVE-2026-56857",
"evidence": "/upstream"
},
{
"value": "CVE-2026-56866",
"evidence": "/upstream"
},
{
"value": "CVE-2026-78659",
"evidence": "/upstream"
},
{
"value": "CVE-2026-78660",
"evidence": "/upstream"
},
{
"value": "CVE-2026-78667",
"evidence": "/upstream"
},
{
"value": "CVE-2026-94439",
"evidence": "/upstream"
},
{
"value": "CVE-2026-94440",
"evidence": "/upstream"
},
{
"value": "CVE-2026-94444",
"evidence": "/upstream"
},
{
"value": "CVE-2026-94447",
"evidence": "/upstream"
},
{
"value": "CVE-2026-94448",
"evidence": "/upstream"
},
{
"value": "CVE-2026-97030",
"evidence": "/upstream"
},
{
"value": "CVE-2026-97031",
"evidence": "/upstream"
},
{
"value": "CVE-2026-97032",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 397568,
"published_at": "2026-10-13T15:22:17+00:00"
}