UBUNTU-CVE-2026-116743

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Source
https://ubuntu.com/security/CVE-2026-116743
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116743.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-116743
Upstream
Published
2026-10-26T22:16:00Z
Modified
2026-10-28T20:17:46Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • 6.8 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • 6.8 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

libyal libmsiecf through 20260525 contains a double free vulnerability in libmsiecf_url_values_read_data() that allows attackers to corrupt heap memory via crafted partial URL records. Attackers can supply a crafted MSIE cache index.dat file whose recovered partial record has an oversized unknown_offset, crashing forensic tools processing it.

References

Affected packages

Ubuntu:16.04:LTS
libmsiecf

Package

Name
libmsiecf
Purl
pkg:deb/ubuntu/libmsiecf?arch=source&distro=xenial

Affected ranges

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

Affected versions

Other
20150708-2
20151205-1
20151220-1
20160107-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libmsiecf-utils",
            "binary_version":  "20160107-1"
        },
        {
            "binary_name":  "libmsiecf1",
            "binary_version":  "20160107-1"
        },
        {
            "binary_name":  "python-libmsiecf",
            "binary_version":  "20160107-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116743.json"
Ubuntu:18.04:LTS
libmsiecf

Package

Name
libmsiecf
Purl
pkg:deb/ubuntu/libmsiecf?arch=source&distro=bionic

Affected ranges

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

Affected versions

Other
20170116-1build1
20170116-2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libmsiecf-utils",
            "binary_version":  "20170116-2"
        },
        {
            "binary_name":  "libmsiecf1",
            "binary_version":  "20170116-2"
        },
        {
            "binary_name":  "python-libmsiecf",
            "binary_version":  "20170116-2"
        },
        {
            "binary_name":  "python3-libmsiecf",
            "binary_version":  "20170116-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116743.json"
Ubuntu:20.04:LTS
libmsiecf

Package

Name
libmsiecf
Purl
pkg:deb/ubuntu/libmsiecf?arch=source&distro=focal

Affected ranges

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

Affected versions

Other
20181227-1
20181227-1ubuntu1
20181227-1ubuntu2
20181227-1.*
20181227-1.1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libmsiecf-utils",
            "binary_version":  "20181227-1.1"
        },
        {
            "binary_name":  "libmsiecf1",
            "binary_version":  "20181227-1.1"
        },
        {
            "binary_name":  "python3-libmsiecf",
            "binary_version":  "20181227-1.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116743.json"
Ubuntu:22.04:LTS
libmsiecf

Package

Name
libmsiecf
Purl
pkg:deb/ubuntu/libmsiecf?arch=source&distro=jammy

Affected ranges

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

Affected versions

Other
20181227-2
20181227-2build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libmsiecf-utils",
            "binary_version":  "20181227-2build1"
        },
        {
            "binary_name":  "libmsiecf1",
            "binary_version":  "20181227-2build1"
        },
        {
            "binary_name":  "python3-libmsiecf",
            "binary_version":  "20181227-2build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116743.json"
Ubuntu:24.04:LTS
libmsiecf

Package

Name
libmsiecf
Purl
pkg:deb/ubuntu/libmsiecf?arch=source&distro=noble

Affected ranges

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

Affected versions

Other
20181227-2build2
20181227-2build3
20181227-2.*
20181227-2.1
20181227-2.1build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libmsiecf-utils",
            "binary_version":  "20181227-2.1build1"
        },
        {
            "binary_name":  "libmsiecf1t64",
            "binary_version":  "20181227-2.1build1"
        },
        {
            "binary_name":  "python3-libmsiecf",
            "binary_version":  "20181227-2.1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116743.json"
Ubuntu:26.04:LTS
libmsiecf

Package

Name
libmsiecf
Purl
pkg:deb/ubuntu/libmsiecf?arch=source&distro=resolute

Affected ranges

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

Affected versions

Other
20181227-3
20181227-3build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libmsiecf-utils",
            "binary_version":  "20181227-3build1"
        },
        {
            "binary_name":  "libmsiecf1t64",
            "binary_version":  "20181227-3build1"
        },
        {
            "binary_name":  "python3-libmsiecf",
            "binary_version":  "20181227-3build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116743.json"
Ubuntu:26.10
libmsiecf

Package

Name
libmsiecf
Purl
pkg:deb/ubuntu/libmsiecf?arch=source&distro=stonking

Affected ranges

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

Affected versions

Other
20181227-3build1
20240425-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libmsiecf-utils",
            "binary_version":  "20240425-1"
        },
        {
            "binary_name":  "libmsiecf1t64",
            "binary_version":  "20240425-1"
        },
        {
            "binary_name":  "python3-libmsiecf",
            "binary_version":  "20240425-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-116743.json"