UnratedFix available
openssl: Fix of 2 CVEs
Type: advisorySources: OSV
- CVE-2026-54874: fix excessive memory use when buffering DTLS records for a future epoch by copying only the record's own bytes instead of the whole read buffer, and lowering the unprocessed-records queue limit to 16 - CVE-2026-63072: fix 8-byte out-of-bounds heap write in CMS key unwrapping by sizing the AES-WRAP-PAD unwrap output buffer for the worst case
- Products
- openssl, openssl-devel, openssl-libs, openssl-perl, openssl-static
- Affected versions
- Not specified
- Fixed versions
- 1:1.1.1k-12.el8.tuxcare.els11
- CVEs
- CVE-2026-54874, CVE-2026-63072
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:58 UTC · Revision 1
Source evidence
- CVE-2026-54874: fix excessive memory use when buffering DTLS records for a future epoch by copying only the record's own bytes instead of the whole read buffer, and lowering the unprocessed-records queue limit to 16 - CVE-2026-63072: fix 8-byte out-of-bounds heap write in CMS key unwrapping by sizing the AES-WRAP-PAD unwrap output buffer for the worst case
osv:CLSA-2026-1788271978
openssl
Fixed versions: 1:1.1.1k-12.el8.tuxcare.els11
openssl-devel
Fixed versions: 1:1.1.1k-12.el8.tuxcare.els11
openssl-libs
Fixed versions: 1:1.1.1k-12.el8.tuxcare.els11
openssl-perl
Fixed versions: 1:1.1.1k-12.el8.tuxcare.els11
openssl-static
Fixed versions: 1:1.1.1k-12.el8.tuxcare.els11
Complete source record
{
"id": "71c8a53c0619371a7a7afd410a617a59b893feee5ab5022d8462734875711223",
"url": "https://osv.dev/vulnerability/CLSA-2026-1788271978",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "openssl: Fix of 2 CVEs",
"summary": "- CVE-2026-54874: fix excessive memory use when buffering DTLS records for a future epoch by copying only the record's own bytes instead of the whole read buffer, and lowering the unprocessed-records queue limit to 16 - CVE-2026-63072: fix 8-byte out-of-bounds heap write in CMS key unwrapping by sizing the AES-WRAP-PAD unwrap output buffer for the worst case",
"evidence": "osv:CLSA-2026-1788271978",
"products": [
{
"name": {
"value": "openssl",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.1.1k-12.el8.tuxcare.els11",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssl-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.1.1k-12.el8.tuxcare.els11",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssl-libs",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.1.1k-12.el8.tuxcare.els11",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssl-perl",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.1.1k-12.el8.tuxcare.els11",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssl-static",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.1.1k-12.el8.tuxcare.els11",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1788271978",
"aliases": [
"CLSA-2026-1788271978"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.1.1k-12.el8.tuxcare.els11"
}
]
}
],
"package": {
"name": "openssl",
"purl": "pkg:rpm/tuxcare/openssl?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1788271978.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.1.1k-12.el8.tuxcare.els11"
}
]
}
],
"package": {
"name": "openssl-devel",
"purl": "pkg:rpm/tuxcare/openssl-devel?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1788271978.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.1.1k-12.el8.tuxcare.els11"
}
]
}
],
"package": {
"name": "openssl-libs",
"purl": "pkg:rpm/tuxcare/openssl-libs?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1788271978.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.1.1k-12.el8.tuxcare.els11"
}
]
}
],
"package": {
"name": "openssl-perl",
"purl": "pkg:rpm/tuxcare/openssl-perl?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1788271978.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.1.1k-12.el8.tuxcare.els11"
}
]
}
],
"package": {
"name": "openssl-static",
"purl": "pkg:rpm/tuxcare/openssl-static?distro=centos-stream-8",
"ecosystem": "TuxCare:CentOS-Stream:8"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos-stream8els/CLSA-2026-1788271978.json"
}
}
],
"modified": "2026-10-26T09:31:38.497814520Z",
"provider": "osv",
"upstream": [
"CVE-2026-54874",
"CVE-2026-63072"
],
"references": [
"https://errata.tuxcare.com/els_os/centos-stream8els/CLSA-2026-1788271978.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-54874",
"https://nvd.nist.gov/vuln/detail/CVE-2026-63072"
]
},
"related_cves": [
{
"value": "CVE-2026-54874",
"evidence": "/upstream"
},
{
"value": "CVE-2026-63072",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447944,
"published_at": "2026-09-01T14:13:11+00:00"
}