golang: Fix of 6 CVEs
- CVE-2026-33818: enforce a maximum recursion depth in encoding/asn1 Unmarshal to prevent stack exhaustion when parsing deeply-nested recursive structures - CVE-2026-56853: apply ReadHeaderTimeout to the server's unencrypted HTTP/2 client preface check, and clear the connection timeouts again once the connection is handed off to the http2 package - CVE-2026-56858: fix JavaScript regexp context tracking in html/template so that pathological input can no longer close an unescaped '/' early and inject attacker-controlled content - CVE-2026-56859: add a recursion depth guard during decode in encoding/xml so that DecodeElement no longer resets the depth counter, preventing stack exhaustion - CVE-2026-56860: avoid quadratic complexity in net/url resolvePath by resolving '..' segments with index-based backtracking on a byte buffer - CVE-2026-56862: do not count handshake messages as state-advancing after the handshake has completed in crypto/tls, bounding the key derivation work a client can force with repeated KeyUpdate messages
- Products
- go-toolset, golang, golang-bin, golang-docs, golang-misc, golang-race, golang-src, golang-tests
- Affected versions
- Not specified
- Fixed versions
- 1.25.7-1.el9_6.tuxcare.els16
- CVEs
- CVE-2026-33818, CVE-2026-56853, CVE-2026-56858, CVE-2026-56859, CVE-2026-56860, CVE-2026-56862
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:55 UTC · Revision 1
Source evidence
- CVE-2026-33818: enforce a maximum recursion depth in encoding/asn1 Unmarshal to prevent stack exhaustion when parsing deeply-nested recursive structures - CVE-2026-56853: apply ReadHeaderTimeout to the server's unencrypted HTTP/2 client preface check, and clear the connection timeouts again once the connection is handed off to the http2 package - CVE-2026-56858: fix JavaScript regexp context tracking in html/template so that pathological input can no longer close an unescaped '/' early and inject attacker-controlled content - CVE-2026-56859: add a recursion depth guard during decode in encoding/xml so that DecodeElement no longer resets the depth counter, preventing stack exhaustion - CVE-2026-56860: avoid quadratic complexity in net/url resolvePath by resolving '..' segments with index-based backtracking on a byte buffer - CVE-2026-56862: do not count handshake messages as state-advancing after the handshake has completed in crypto/tls, bounding the key derivation work a client can force with repeated KeyUpdate messages
osv:CLSA-2026-1788378960
go-toolset
Fixed versions: 1.25.7-1.el9_6.tuxcare.els16
golang
Fixed versions: 1.25.7-1.el9_6.tuxcare.els16
golang-bin
Fixed versions: 1.25.7-1.el9_6.tuxcare.els16
golang-docs
Fixed versions: 1.25.7-1.el9_6.tuxcare.els16
golang-misc
Fixed versions: 1.25.7-1.el9_6.tuxcare.els16
golang-race
Fixed versions: 1.25.7-1.el9_6.tuxcare.els16
golang-src
Fixed versions: 1.25.7-1.el9_6.tuxcare.els16
golang-tests
Fixed versions: 1.25.7-1.el9_6.tuxcare.els16
Complete source record
{
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"url": "https://osv.dev/vulnerability/CLSA-2026-1788378960",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "golang: Fix of 6 CVEs",
"summary": "- CVE-2026-33818: enforce a maximum recursion depth in encoding/asn1 Unmarshal to prevent stack exhaustion when parsing deeply-nested recursive structures - CVE-2026-56853: apply ReadHeaderTimeout to the server's unencrypted HTTP/2 client preface check, and clear the connection timeouts again once the connection is handed off to the http2 package - CVE-2026-56858: fix JavaScript regexp context tracking in html/template so that pathological input can no longer close an unescaped '/' early and inject attacker-controlled content - CVE-2026-56859: add a recursion depth guard during decode in encoding/xml so that DecodeElement no longer resets the depth counter, preventing stack exhaustion - CVE-2026-56860: avoid quadratic complexity in net/url resolvePath by resolving '..' segments with index-based backtracking on a byte buffer - CVE-2026-56862: do not count handshake messages as state-advancing after the handshake has completed in crypto/tls, bounding the key derivation work a client can force with repeated KeyUpdate messages",
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"severity": "unknown",
"structured": {
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"aliases": [
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"affected": [
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"package": {
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"database_specific": {
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],
"modified": "2026-10-26T09:31:35.649565139Z",
"provider": "osv",
"upstream": [
"CVE-2026-33818",
"CVE-2026-56853",
"CVE-2026-56858",
"CVE-2026-56859",
"CVE-2026-56860",
"CVE-2026-56862"
],
"references": [
"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1788378960.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-33818",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56853",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56858",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56859",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56860",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56862"
]
},
"related_cves": [
{
"value": "CVE-2026-33818",
"evidence": "/upstream"
},
{
"value": "CVE-2026-56853",
"evidence": "/upstream"
},
{
"value": "CVE-2026-56858",
"evidence": "/upstream"
},
{
"value": "CVE-2026-56859",
"evidence": "/upstream"
},
{
"value": "CVE-2026-56860",
"evidence": "/upstream"
},
{
"value": "CVE-2026-56862",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447767,
"published_at": "2026-09-02T19:56:20+00:00"
}