DEBIAN-CVE-2026-26824

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Source
https://security-tracker.debian.org/tracker/CVE-2026-26824
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-26824.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-26824
Upstream
Published
2026-06-03T20:16:18Z
Modified
2026-09-14T17:02:54Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L CVSS Calculator
Summary
[none]
Details

libxls through version 1.6.3 contains a use of uninitialized memory vulnerability in the OLE container parser. Memory allocated for the Master Sector Allocation Table (MSAT) in read_MSAT() is not fully initialized before being consumed by ole2_validate_sector_chain(), which may result in application crashes or potential information disclosure when processing a crafted XLS file

References

Affected packages

Debian:12 / r-cran-readxl

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.4.2-1
1.4.3-1
1.4.4-1
1.4.5-1
1.5.0-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-26824.json"

Debian:13 / r-cran-readxl

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.4.5-1
1.5.0-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-26824.json"

Debian:14 / r-cran-readxl

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.4.5-1
1.5.0-1

Ecosystem specific 

{
    "urgency":  "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-26824.json"