UnratedFix available
libarchive: Fix of 3 CVEs
Type: advisorySources: OSV
- CVE-2026-4424: fix RAR LZSS window size mismatch after PPMd block (heap OOB read)
- Products
- bsdcpio, bsdtar, libarchive, libarchive-devel
- Affected versions
- Not specified
- Fixed versions
- 3.1.2-14.el7_7.tuxcare.els8
- CVEs
- CVE-2026-4424
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:25 UTC · Revision 1
Source evidence
- CVE-2026-4424: fix RAR LZSS window size mismatch after PPMd block (heap OOB read)
osv:CLSA-2026-1782303221
bsdcpio
Fixed versions: 3.1.2-14.el7_7.tuxcare.els8
bsdtar
Fixed versions: 3.1.2-14.el7_7.tuxcare.els8
libarchive
Fixed versions: 3.1.2-14.el7_7.tuxcare.els8
libarchive-devel
Fixed versions: 3.1.2-14.el7_7.tuxcare.els8
Complete source record
{
"id": "c2eb59ebe40e59f735ea5ee06b97b78f9bf6ea71e54167145ba9f88147f3601b",
"url": "https://osv.dev/vulnerability/CLSA-2026-1782303221",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "libarchive: Fix of 3 CVEs",
"summary": "- CVE-2026-4424: fix RAR LZSS window size mismatch after PPMd block (heap OOB read)",
"evidence": "osv:CLSA-2026-1782303221",
"products": [
{
"name": {
"value": "bsdcpio",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.1.2-14.el7_7.tuxcare.els8",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "bsdtar",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.1.2-14.el7_7.tuxcare.els8",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libarchive",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.1.2-14.el7_7.tuxcare.els8",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libarchive-devel",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.1.2-14.el7_7.tuxcare.els8",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1782303221",
"aliases": [
"CLSA-2026-1782303221"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.2-14.el7_7.tuxcare.els8"
}
]
}
],
"package": {
"name": "bsdcpio",
"purl": "pkg:rpm/tuxcare/bsdcpio?distro=oraclelinux-7",
"ecosystem": "TuxCare:OracleLinux:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1782303221.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.2-14.el7_7.tuxcare.els8"
}
]
}
],
"package": {
"name": "bsdtar",
"purl": "pkg:rpm/tuxcare/bsdtar?distro=oraclelinux-7",
"ecosystem": "TuxCare:OracleLinux:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1782303221.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.2-14.el7_7.tuxcare.els8"
}
]
}
],
"package": {
"name": "libarchive",
"purl": "pkg:rpm/tuxcare/libarchive?distro=oraclelinux-7",
"ecosystem": "TuxCare:OracleLinux:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1782303221.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.2-14.el7_7.tuxcare.els8"
}
]
}
],
"package": {
"name": "libarchive-devel",
"purl": "pkg:rpm/tuxcare/libarchive-devel?distro=oraclelinux-7",
"ecosystem": "TuxCare:OracleLinux:7"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux7els/CLSA-2026-1782303221.json"
}
}
],
"modified": "2026-10-26T09:31:54.460948471Z",
"provider": "osv",
"upstream": [
"CVE-2026-4424"
],
"references": [
"https://errata.tuxcare.com/els_os/oraclelinux7els/CLSA-2026-1782303221.html",
"https://nvd.nist.gov/vuln/detail/CVE-2025-25724",
"https://nvd.nist.gov/vuln/detail/CVE-2026-4424",
"https://nvd.nist.gov/vuln/detail/CVE-2026-5121"
]
},
"related_cves": [
{
"value": "CVE-2026-4424",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448905,
"published_at": "2026-08-04T12:43:22+00:00"
}