USN-8259-1

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Source
https://ubuntu.com/security/notices/USN-8259-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8259-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-8259-1
Upstream
Related
Published
2026-05-07T15:37:21Z
Modified
2026-05-20T16:06:19.608568652Z
Summary
openexr vulnerabilities
Details

Quang Luong discovered that OpenEXR incorrectly handled sample count accumulation when processing deep scan line image files. An attacker could possibly use this issue to cause OpenEXR to crash, resulting in a denial of service, or execute arbitrary code. (CVE-2026-27622)

It was discovered that OpenEXR had an integer overflow in the PXR24 decoder. An attacker could possibly use this issue to cause OpenEXR to crash, resulting in a denial of service, or execute arbitrary code. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-34380)

Quang Luong discovered that OpenEXR had a signed integer overflow in the PIZ decoder. An attacker could possibly use this issue to cause OpenEXR to crash, resulting in a denial of service, or execute arbitrary code. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-34588)

References

Affected packages

Ubuntu:Pro:16.04:LTS
openexr

Package

Name
openexr
Purl
pkg:deb/ubuntu/openexr?arch=source&distro=esm-apps%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.0-10ubuntu2.6+esm4

Affected versions

2.*
2.2.0-1ubuntu3
2.2.0-7ubuntu1
2.2.0-9ubuntu1
2.2.0-10ubuntu2
2.2.0-10ubuntu2.1
2.2.0-10ubuntu2.2
2.2.0-10ubuntu2.3
2.2.0-10ubuntu2.4
2.2.0-10ubuntu2.6
2.2.0-10ubuntu2.6+esm1
2.2.0-10ubuntu2.6+esm2
2.2.0-10ubuntu2.6+esm3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.2.0-10ubuntu2.6+esm4",
            "binary_name": "libopenexr22"
        },
        {
            "binary_version": "2.2.0-10ubuntu2.6+esm4",
            "binary_name": "openexr"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8259-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": []
}
Ubuntu:Pro:18.04:LTS
openexr

Package

Name
openexr
Purl
pkg:deb/ubuntu/openexr?arch=source&distro=esm-infra%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.0-11.1ubuntu1.9+esm1

Affected versions

2.*
2.2.0-11ubuntu1
2.2.0-11.1ubuntu1
2.2.0-11.1ubuntu1.1
2.2.0-11.1ubuntu1.2
2.2.0-11.1ubuntu1.3
2.2.0-11.1ubuntu1.4
2.2.0-11.1ubuntu1.6
2.2.0-11.1ubuntu1.7
2.2.0-11.1ubuntu1.8
2.2.0-11.1ubuntu1.9

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.2.0-11.1ubuntu1.9+esm1",
            "binary_name": "libopenexr22"
        },
        {
            "binary_version": "2.2.0-11.1ubuntu1.9+esm1",
            "binary_name": "openexr"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8259-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:Pro:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-27622",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}
Ubuntu:Pro:20.04:LTS
openexr

Package

Name
openexr
Purl
pkg:deb/ubuntu/openexr?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.3.0-6ubuntu0.5+esm2

Affected versions

2.*
2.2.1-4.1ubuntu1
2.3.0-6
2.3.0-6build1
2.3.0-6ubuntu0.1
2.3.0-6ubuntu0.2
2.3.0-6ubuntu0.3
2.3.0-6ubuntu0.5
2.3.0-6ubuntu0.5+esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.3.0-6ubuntu0.5+esm2",
            "binary_name": "libopenexr24"
        },
        {
            "binary_version": "2.3.0-6ubuntu0.5+esm2",
            "binary_name": "openexr"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8259-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:Pro:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-27622",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}
Ubuntu:Pro:22.04:LTS
openexr

Package

Name
openexr
Purl
pkg:deb/ubuntu/openexr?arch=source&distro=esm-apps%2Fjammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.5.7-1ubuntu0.1~esm2

Affected versions

2.*
2.5.4-2
2.5.7-1
2.5.7-1ubuntu0.1~esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "2.5.7-1ubuntu0.1~esm2",
            "binary_name": "libopenexr25"
        },
        {
            "binary_version": "2.5.7-1ubuntu0.1~esm2",
            "binary_name": "openexr"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8259-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:Pro:22.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2026-27622"
        }
    ]
}
Ubuntu:Pro:24.04:LTS
openexr

Package

Name
openexr
Purl
pkg:deb/ubuntu/openexr?arch=source&distro=esm-apps%2Fnoble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.5-5.1ubuntu0.1~esm1

Affected versions

3.*
3.1.5-5.1
3.1.5-5.1build1
3.1.5-5.1build2
3.1.5-5.1build3

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "3.1.5-5.1ubuntu0.1~esm1",
            "binary_name": "libopenexr-3-1-30"
        },
        {
            "binary_version": "3.1.5-5.1ubuntu0.1~esm1",
            "binary_name": "openexr"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8259-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:Pro:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-27622",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-34380",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-34588",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}
Ubuntu:Pro:26.04:LTS
openexr

Package

Name
openexr
Purl
pkg:deb/ubuntu/openexr?arch=source&distro=esm-apps%2Fresolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.1.13-2ubuntu0.26.04.1~esm1

Affected versions

3.*
3.1.13-2
3.1.13-2build1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "3.1.13-2ubuntu0.26.04.1~esm1",
            "binary_name": "libopenexr-3-1-30"
        },
        {
            "binary_version": "3.1.13-2ubuntu0.26.04.1~esm1",
            "binary_name": "openexr"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8259-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:Pro:26.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ],
            "id": "CVE-2026-27622"
        },
        {
            "id": "CVE-2026-34380",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        },
        {
            "id": "CVE-2026-34588",
            "severity": [
                {
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                    "type": "CVSS_V4"
                },
                {
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}