UnratedFix available
openssl: Fix of 2 CVEs
Type: advisorySources: OSV
- CVE-2026-42766: fix NULL pointer dereference during password-based CMS decryption when the optional keyDerivationAlgorithm field is absent - CVE-2026-34180: fix heap buffer over-read caused by integer truncation of ASN.1 primitive content lengths above 2 GB on 64-bit platforms
- Products
- openssl, openssl-devel, openssl-libs, openssl-perl, openssl-static
- Affected versions
- Not specified
- Fixed versions
- 1:1.0.2k-26.0.1.el7_9.tuxcare.els2
- CVEs
- CVE-2026-34180, CVE-2026-42766
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:59 UTC · Revision 1
Source evidence
- CVE-2026-42766: fix NULL pointer dereference during password-based CMS decryption when the optional keyDerivationAlgorithm field is absent - CVE-2026-34180: fix heap buffer over-read caused by integer truncation of ASN.1 primitive content lengths above 2 GB on 64-bit platforms
osv:CLSA-2026-1787848037
openssl
Fixed versions: 1:1.0.2k-26.0.1.el7_9.tuxcare.els2
openssl-devel
Fixed versions: 1:1.0.2k-26.0.1.el7_9.tuxcare.els2
openssl-libs
Fixed versions: 1:1.0.2k-26.0.1.el7_9.tuxcare.els2
openssl-perl
Fixed versions: 1:1.0.2k-26.0.1.el7_9.tuxcare.els2
openssl-static
Fixed versions: 1:1.0.2k-26.0.1.el7_9.tuxcare.els2
Complete source record
{
"id": "eaf9f4c323624e6854bee34b26d832aced921e962b1f95fbd00f02de08c3269a",
"url": "https://osv.dev/vulnerability/CLSA-2026-1787848037",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "openssl: Fix of 2 CVEs",
"summary": "- CVE-2026-42766: fix NULL pointer dereference during password-based CMS decryption when the optional keyDerivationAlgorithm field is absent - CVE-2026-34180: fix heap buffer over-read caused by integer truncation of ASN.1 primitive content lengths above 2 GB on 64-bit platforms",
"evidence": "osv:CLSA-2026-1787848037",
"products": [
{
"name": {
"value": "openssl",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.0.2k-26.0.1.el7_9.tuxcare.els2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssl-devel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.0.2k-26.0.1.el7_9.tuxcare.els2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssl-libs",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.0.2k-26.0.1.el7_9.tuxcare.els2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssl-perl",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.0.2k-26.0.1.el7_9.tuxcare.els2",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "openssl-static",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:1.0.2k-26.0.1.el7_9.tuxcare.els2",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1787848037",
"aliases": [
"CLSA-2026-1787848037"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.0.2k-26.0.1.el7_9.tuxcare.els2"
}
]
}
],
"package": {
"name": "openssl",
"purl": "pkg:rpm/tuxcare/openssl?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1787848037.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.0.2k-26.0.1.el7_9.tuxcare.els2"
}
]
}
],
"package": {
"name": "openssl-devel",
"purl": "pkg:rpm/tuxcare/openssl-devel?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1787848037.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.0.2k-26.0.1.el7_9.tuxcare.els2"
}
]
}
],
"package": {
"name": "openssl-libs",
"purl": "pkg:rpm/tuxcare/openssl-libs?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1787848037.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.0.2k-26.0.1.el7_9.tuxcare.els2"
}
]
}
],
"package": {
"name": "openssl-perl",
"purl": "pkg:rpm/tuxcare/openssl-perl?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1787848037.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:1.0.2k-26.0.1.el7_9.tuxcare.els2"
}
]
}
],
"package": {
"name": "openssl-static",
"purl": "pkg:rpm/tuxcare/openssl-static?distro=centos-7",
"ecosystem": "TuxCare:CentOS:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos7els/CLSA-2026-1787848037.json"
}
}
],
"modified": "2026-10-26T09:43:58.054470385Z",
"provider": "osv",
"upstream": [
"CVE-2026-34180",
"CVE-2026-42766"
],
"references": [
"https://errata.tuxcare.com/els_os/centos7els/CLSA-2026-1787848037.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-34180",
"https://nvd.nist.gov/vuln/detail/CVE-2026-42766"
]
},
"related_cves": [
{
"value": "CVE-2026-34180",
"evidence": "/upstream"
},
{
"value": "CVE-2026-42766",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 450268,
"published_at": "2026-08-27T16:27:29+00:00"
}