UBUNTU-CVE-2026-40386

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Source
https://ubuntu.com/security/CVE-2026-40386
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40386.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-40386
Upstream
Published
2026-04-12T19:16:00Z
Modified
2026-07-07T21:03:30.869439581Z
Severity
  • 4.0 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L CVSS Calculator
  • 7.1 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In libexif through 0.6.25, an integer underflow in size checking for Fuji and Olympus MakerNote decoding could be used by attackers to crash or leak information out of libexif-using programs.

References

Affected packages

Ubuntu:16.04:LTS
libexif

Package

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

Affected ranges

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

Affected versions

0.*
0.6.21-2
0.6.21-2ubuntu0.1
0.6.21-2ubuntu0.2
0.6.21-2ubuntu0.5
0.6.21-2ubuntu0.6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libexif12",
            "binary_version": "0.6.21-2ubuntu0.6"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40386.json"
Ubuntu:18.04:LTS
libexif

Package

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

Affected ranges

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

Affected versions

0.*
0.6.21-2.1
0.6.21-4
0.6.21-4ubuntu0.1
0.6.21-4ubuntu0.2
0.6.21-4ubuntu0.5
0.6.21-4ubuntu0.6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libexif12",
            "binary_version": "0.6.21-4ubuntu0.6"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40386.json"
Ubuntu:20.04:LTS
libexif

Package

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

Affected ranges

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

Affected versions

0.*
0.6.21-5.1
0.6.21-6
0.6.21-6ubuntu0.1
0.6.21-6ubuntu0.3
0.6.21-6ubuntu0.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libexif12",
            "binary_version": "0.6.21-6ubuntu0.4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40386.json"
Ubuntu:22.04:LTS
libexif

Package

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

Affected ranges

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

Affected versions

0.*
0.6.22-3
0.6.22-3build1
0.6.23-1
0.6.24-1
0.6.24-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libexif12",
            "binary_version": "0.6.24-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40386.json"
Ubuntu:24.04:LTS
libexif

Package

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

Affected ranges

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

Affected versions

0.*
0.6.24-1build1
0.6.24-1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libexif12",
            "binary_version": "0.6.24-1build2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40386.json"
Ubuntu:25.10
libexif

Package

Name
libexif
Purl
pkg:deb/ubuntu/libexif?arch=source&distro=questing

Affected ranges

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

Affected versions

0.*
0.6.25-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libexif12",
            "binary_version": "0.6.25-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40386.json"
Ubuntu:26.04:LTS
libexif

Package

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

Affected ranges

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

Affected versions

0.*
0.6.25-1
0.6.25-1build1
0.6.25-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libexif12",
            "binary_version": "0.6.25-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40386.json"
Ubuntu:Pro:14.04:LTS
libexif

Package

Name
libexif
Purl
pkg:deb/ubuntu/libexif?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

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

Affected versions

0.*
0.6.21-1
0.6.21-1ubuntu1
0.6.21-1ubuntu1+esm1
0.6.21-1ubuntu1+esm2
0.6.21-1ubuntu1+esm5
0.6.21-1ubuntu1+esm6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libexif12",
            "binary_version": "0.6.21-1ubuntu1+esm6"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40386.json"