DEBIAN-CVE-2018-20452

Source
https://security-tracker.debian.org/tracker/CVE-2018-20452
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-20452.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2018-20452
Upstream
Published
2018-12-25T17:29:00Z
Modified
2025-09-30T03:54:26Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

The readMSATbody function in ole.c in libxls 1.4.0 has an invalid free that allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted file, because of inconsistent memory management (new versus free) in ole2readheader in ole.c.

References

Affected packages

Debian:11 / r-cran-readxl

Package

Name
r-cran-readxl
Purl
pkg:deb/debian/r-cran-readxl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.0.9000-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / r-cran-readxl

Package

Name
r-cran-readxl
Purl
pkg:deb/debian/r-cran-readxl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.0.9000-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / r-cran-readxl

Package

Name
r-cran-readxl
Purl
pkg:deb/debian/r-cran-readxl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.0.9000-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:14 / r-cran-readxl

Package

Name
r-cran-readxl
Purl
pkg:deb/debian/r-cran-readxl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.2.0.9000-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}