USN-8531-1

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Source
https://ubuntu.com/security/notices/USN-8531-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8531-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8531-1
Upstream
Related
Published
2026-07-13T12:15:07Z
Modified
2026-07-13T20:44:41.789481778Z
Summary
libexif vulnerabilities
Details

It was discovered that libexif had an integer overflow in its MakerNote decoder when called with a zero-length buffer. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-32775)

It was discovered that libexif had an integer overflow in its Nikon MakerNote handler on 32-bit systems. A local attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-40385)

It was discovered that libexif had an integer underflow in its size checking for Fuji and Olympus MakerNote decoding. An attacker could possibly use this issue to cause a denial of service or obtain sensitive information. (CVE-2026-40386)

References

Affected packages

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
Fixed
0.6.24-1ubuntu0.22.04.1

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_version": "0.6.24-1ubuntu0.22.04.1",
            "binary_name": "libexif12"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-32775",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-40385",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-40386",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8531-1.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
Fixed
0.6.24-1ubuntu0.24.04.1

Affected versions

0.*
0.6.24-1build1
0.6.24-1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.6.24-1ubuntu0.24.04.1",
            "binary_name": "libexif12"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-32775",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-40385",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-40386",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8531-1.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
Fixed
0.6.25-2ubuntu0.1

Affected versions

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "0.6.25-2ubuntu0.1",
            "binary_name": "libexif12"
        }
    ],
    "availability": "No subscription required"
}

Database specific

cves_map 
{
    "ecosystem": "Ubuntu:26.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-32775",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2026-40385"
        },
        {
            "id": "CVE-2026-40386",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8531-1.json"