MediumFix available
r-cran-readxl — security advisory
The read_MSAT function in ole.c in libxls 1.4.0 has a double free that allows attackers to cause a denial of service (application crash) via a crafted file, a different vulnerability than CVE-2017-2897.
- Products
- r-cran-readxl
- Affected versions
- Not specified
- Fixed versions
- 1.2.0.9000-1
- CVEs
- CVE-2018-20450
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 00:12 UTC · Revision 1
Source evidence
The read_MSAT function in ole.c in libxls 1.4.0 has a double free that allows attackers to cause a denial of service (application crash) via a crafted file, a different vulnerability than CVE-2017-2897.
osv:DEBIAN-CVE-2018-20450
r-cran-readxl
Fixed versions: 1.2.0.9000-1
r-cran-readxl
Fixed versions: 1.2.0.9000-1
r-cran-readxl
Fixed versions: 1.2.0.9000-1
Complete source record
{
"id": "b818973e2e311515fdf2a44156be7b549834fb65b35d5d7fc4571ae6e1a4ff54",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-20450",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-20450",
"summary": "The read_MSAT function in ole.c in libxls 1.4.0 has a double free that allows attackers to cause a denial of service (application crash) via a crafted file, a different vulnerability than CVE-2017-2897.",
"evidence": "osv:DEBIAN-CVE-2018-20450",
"products": [
{
"name": {
"value": "r-cran-readxl",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.2.0.9000-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "r-cran-readxl",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.2.0.9000-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "r-cran-readxl",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.2.0.9000-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2018-20450",
"aliases": [
"DEBIAN-CVE-2018-20450"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2.0.9000-1"
}
]
}
],
"package": {
"name": "r-cran-readxl",
"purl": "pkg:deb/debian/r-cran-readxl?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20450.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2.0.9000-1"
}
]
}
],
"package": {
"name": "r-cran-readxl",
"purl": "pkg:deb/debian/r-cran-readxl?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20450.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2.0.9000-1"
}
]
}
],
"package": {
"name": "r-cran-readxl",
"purl": "pkg:deb/debian/r-cran-readxl?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20450.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-23T18:03:04.874725538Z",
"provider": "osv",
"upstream": [
"CVE-2018-20450"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-20450"
]
},
"related_cves": [
{
"value": "CVE-2018-20450",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 420332,
"published_at": "2018-12-25T17:29:00.25+00:00"
}