UBUNTU-CVE-2026-26824

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Source
https://ubuntu.com/security/CVE-2026-26824
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26824.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-26824
Upstream
  • CVE-2026-26824
Published
2026-06-03T20:16:00Z
Modified
2026-06-11T13:03:38Z
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
  • Ubuntu - medium
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 readMSAT() is not fully initialized before being consumed by ole2validatesectorchain(), which may result in application crashes or potential information disclosure when processing a crafted XLS file

References

Affected packages

Ubuntu:16.04:LTS
r-cran-readxl

Package

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

Affected ranges

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

Affected versions

0.*
0.1.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.1.0-1",
            "binary_name": "r-cran-readxl"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26824.json"
Ubuntu:18.04:LTS
r-cran-readxl

Package

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

Affected ranges

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

Affected versions

1.*
1.0.0-1build1
1.0.0-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.0.0-2",
            "binary_name": "r-cran-readxl"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26824.json"
Ubuntu:20.04:LTS
r-cran-readxl

Package

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

Affected ranges

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

Affected versions

1.*
1.3.1-2
1.3.1-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.3.1-2build1",
            "binary_name": "r-cran-readxl"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26824.json"
Ubuntu:22.04:LTS
r-cran-readxl

Package

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

Affected ranges

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

Affected versions

1.*
1.3.1-2build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.3.1-2build2",
            "binary_name": "r-cran-readxl"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26824.json"
Ubuntu:24.04:LTS
r-cran-readxl

Package

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

Affected ranges

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

Affected versions

1.*
1.4.3-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.4.3-1",
            "binary_name": "r-cran-readxl"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26824.json"
Ubuntu:25.10
r-cran-readxl

Package

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

Affected ranges

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

Affected versions

1.*
1.4.5-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.4.5-1",
            "binary_name": "r-cran-readxl"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26824.json"
Ubuntu:26.04:LTS
r-cran-readxl

Package

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

Affected ranges

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

Affected versions

1.*
1.4.5-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.4.5-1",
            "binary_name": "r-cran-readxl"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26824.json"