osbuild-composer: Fix of 4 CVEs
- rebuild with newer golang version 1.22.9-1.el9_2.tuxcare.els6 to fix the following CVEs - CVE-2025-61729: fix excessive resource consumption when constructing hostname error messages for certificates with many SANs - CVE-2025-61728: reduce CPU usage in index construction - CVE-2025-61726: limit parsed URL query parameters to mitigate excessive memory consumption during form parsing - CVE-2025-68121: fix TLS session resumption bypass by preventing shared auto-rotated ticket keys in Config and validating full certificate chain expiry
- Products
- osbuild-composer, osbuild-composer-core, osbuild-composer-dnf-json, osbuild-composer-tests, osbuild-composer-worker
- Affected versions
- Not specified
- Fixed versions
- 76-2.el9_2.2.alma.tuxcare.els2
- CVEs
- CVE-2025-61726, CVE-2025-61728, CVE-2025-61729, CVE-2025-68121
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 13:53 UTC · Revision 1
Source evidence
- rebuild with newer golang version 1.22.9-1.el9_2.tuxcare.els6 to fix the following CVEs - CVE-2025-61729: fix excessive resource consumption when constructing hostname error messages for certificates with many SANs - CVE-2025-61728: reduce CPU usage in index construction - CVE-2025-61726: limit parsed URL query parameters to mitigate excessive memory consumption during form parsing - CVE-2025-68121: fix TLS session resumption bypass by preventing shared auto-rotated ticket keys in Config and validating full certificate chain expiry
osv:CLSA-2026-1773309522
osbuild-composer
Fixed versions: 76-2.el9_2.2.alma.tuxcare.els2
osbuild-composer-core
Fixed versions: 76-2.el9_2.2.alma.tuxcare.els2
osbuild-composer-dnf-json
Fixed versions: 76-2.el9_2.2.alma.tuxcare.els2
osbuild-composer-tests
Fixed versions: 76-2.el9_2.2.alma.tuxcare.els2
osbuild-composer-worker
Fixed versions: 76-2.el9_2.2.alma.tuxcare.els2
Complete source record
{
"id": "a4d006f726ba782d7cc0bde551d1e4ad7b2471085e500b05f877787475669af3",
"url": "https://osv.dev/vulnerability/CLSA-2026-1773309522",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "osbuild-composer: Fix of 4 CVEs",
"summary": "- rebuild with newer golang version 1.22.9-1.el9_2.tuxcare.els6 to fix the following CVEs - CVE-2025-61729: fix excessive resource consumption when constructing hostname error messages for certificates with many SANs - CVE-2025-61728: reduce CPU usage in index construction - CVE-2025-61726: limit parsed URL query parameters to mitigate excessive memory consumption during form parsing - CVE-2025-68121: fix TLS session resumption bypass by preventing shared auto-rotated ticket keys in Config and validating full certificate chain expiry",
"evidence": "osv:CLSA-2026-1773309522",
"products": [
{
"name": {
"value": "osbuild-composer",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "76-2.el9_2.2.alma.tuxcare.els2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "osbuild-composer-core",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "76-2.el9_2.2.alma.tuxcare.els2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "osbuild-composer-dnf-json",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "76-2.el9_2.2.alma.tuxcare.els2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "osbuild-composer-tests",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "76-2.el9_2.2.alma.tuxcare.els2",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "osbuild-composer-worker",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "76-2.el9_2.2.alma.tuxcare.els2",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1773309522",
"aliases": [
"CLSA-2026-1773309522"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "76-2.el9_2.2.alma.tuxcare.els2"
}
]
}
],
"package": {
"name": "osbuild-composer",
"purl": "pkg:rpm/tuxcare/osbuild-composer?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1773309522.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "76-2.el9_2.2.alma.tuxcare.els2"
}
]
}
],
"package": {
"name": "osbuild-composer-core",
"purl": "pkg:rpm/tuxcare/osbuild-composer-core?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1773309522.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "76-2.el9_2.2.alma.tuxcare.els2"
}
]
}
],
"package": {
"name": "osbuild-composer-dnf-json",
"purl": "pkg:rpm/tuxcare/osbuild-composer-dnf-json?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1773309522.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "76-2.el9_2.2.alma.tuxcare.els2"
}
]
}
],
"package": {
"name": "osbuild-composer-tests",
"purl": "pkg:rpm/tuxcare/osbuild-composer-tests?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1773309522.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "76-2.el9_2.2.alma.tuxcare.els2"
}
]
}
],
"package": {
"name": "osbuild-composer-worker",
"purl": "pkg:rpm/tuxcare/osbuild-composer-worker?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1773309522.json"
}
}
],
"modified": "2026-10-21T10:47:22.657487563Z",
"provider": "osv",
"upstream": [
"CVE-2025-61726",
"CVE-2025-61728",
"CVE-2025-61729",
"CVE-2025-68121"
],
"references": [
"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1773309522.html"
]
},
"related_cves": [
{
"value": "CVE-2025-61726",
"evidence": "/upstream"
},
{
"value": "CVE-2025-61728",
"evidence": "/upstream"
},
{
"value": "CVE-2025-61729",
"evidence": "/upstream"
},
{
"value": "CVE-2025-68121",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 392340,
"published_at": "2026-03-12T18:41:14+00:00"
}