UBUNTU-CVE-2026-6491

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Source
https://ubuntu.com/security/CVE-2026-6491
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6491.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-6491
Upstream
Published
2026-04-17T14:16:00Z
Modified
2026-09-14T16:32:01Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • 1.9 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A security vulnerability has been detected in libvips up to 8.18.2. The affected element is the function im_minpos_vec of the file libvips/deprecated/vips7compat.c of the component nip2 Handler. Such manipulation of the argument n leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor confirms that they will "be removing the deprecated area in libvips 8.19".

References

Affected packages

Ubuntu:25.10
vips

Package

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

Affected ranges

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

Affected versions

8.*
8.16.0-2build1
8.16.1-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gir1.2-vips-8.0",
            "binary_version": "8.16.1-1"
        },
        {
            "binary_name": "libvips-tools",
            "binary_version": "8.16.1-1"
        },
        {
            "binary_name": "libvips42t64",
            "binary_version": "8.16.1-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6491.json"
Ubuntu:Pro:16.04:LTS
vips

Package

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

Affected ranges

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

Affected versions

7.*
7.40.6-2ubuntu2
8.*
8.0.2-2
8.2.1-1
8.2.2-1
8.2.2-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gir1.2-vips-8.0",
            "binary_version": "8.2.2-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libvips-tools",
            "binary_version": "8.2.2-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libvips42",
            "binary_version": "8.2.2-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "python-vipscc",
            "binary_version": "8.2.2-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6491.json"
Ubuntu:Pro:18.04:LTS
vips

Package

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

Affected ranges

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

Affected versions

8.*
8.4.5-1build1
8.4.5-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gir1.2-vips-8.0",
            "binary_version": "8.4.5-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libvips-tools",
            "binary_version": "8.4.5-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libvips42",
            "binary_version": "8.4.5-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "python-vipscc",
            "binary_version": "8.4.5-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6491.json"
Ubuntu:Pro:20.04:LTS
vips

Package

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

Affected ranges

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

Affected versions

8.*
8.7.4-1build1
8.8.3-3
8.8.3-3ubuntu1
8.9.0-1
8.9.0-1build1
8.9.1-1
8.9.1-2
8.9.1-2ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gir1.2-vips-8.0",
            "binary_version": "8.9.1-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "libvips-tools",
            "binary_version": "8.9.1-2ubuntu0.1~esm1"
        },
        {
            "binary_name": "libvips42",
            "binary_version": "8.9.1-2ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6491.json"
Ubuntu:Pro:22.04:LTS
vips

Package

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

Affected ranges

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

Affected versions

8.*
8.10.5-2ubuntu1
8.11.4-2
8.12.1-1
8.12.1-1build1
8.12.1-1ubuntu0.1~esm1
8.12.1-1ubuntu0.1~esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gir1.2-vips-8.0",
            "binary_version": "8.12.1-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "libvips-tools",
            "binary_version": "8.12.1-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "libvips42",
            "binary_version": "8.12.1-1ubuntu0.1~esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6491.json"
Ubuntu:Pro:24.04:LTS
vips

Package

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

Affected ranges

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

Affected versions

8.*
8.14.3-1
8.14.5-1
8.15.0-1
8.15.0-2
8.15.1-1
8.15.1-1build1
8.15.1-1.1build3
8.15.1-1.1build4
8.15.1-1.1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gir1.2-vips-8.0",
            "binary_version": "8.15.1-1.1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libvips-tools",
            "binary_version": "8.15.1-1.1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libvips42t64",
            "binary_version": "8.15.1-1.1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6491.json"
Ubuntu:Pro:26.04:LTS
vips

Package

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

Affected ranges

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

Affected versions

8.*
8.16.1-1
8.16.1-2
8.17.3-2
8.18.0-1
8.18.0-1build1
8.18.0-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gir1.2-vips-8.0",
            "binary_version": "8.18.0-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libvips-tools",
            "binary_version": "8.18.0-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "libvips42t64",
            "binary_version": "8.18.0-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-6491.json"