UBUNTU-CVE-2026-110601

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Source
https://ubuntu.com/security/CVE-2026-110601
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-110601.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-110601
Upstream
Published
2026-10-15T00:00:00Z
Modified
2026-10-17T12:59:52Z
Severity
  • 6.3 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H CVSS Calculator
  • 5.8 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

libsixel before 1.8.7-r1 and 1.9.0 through 1.10.5 contains a heap out-of-bounds write vulnerability in gif_init_frame() in src/fromgif.c, which never checks the GIF transparent color index against the palette size. Attackers can supply a crafted GIF with a small color table and large transparent index, processed with a background color set, to write bytes past the palette buffer, causing heap corruption or crashes.

References

Affected packages

Ubuntu:16.04:LTS
libsixel

Package

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

Affected ranges

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

Affected versions

1.*
1.4.2-1
1.5.2-2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libsixel-bin",
            "binary_version":  "1.5.2-2"
        },
        {
            "binary_name":  "libsixel1",
            "binary_version":  "1.5.2-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-110601.json"
Ubuntu:18.04:LTS
libsixel

Package

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

Affected ranges

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

Affected versions

1.*
1.5.2-2
1.7.3-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libsixel-bin",
            "binary_version":  "1.7.3-1"
        },
        {
            "binary_name":  "libsixel-examples",
            "binary_version":  "1.7.3-1"
        },
        {
            "binary_name":  "libsixel1",
            "binary_version":  "1.7.3-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-110601.json"
Ubuntu:20.04:LTS
libsixel

Package

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

Affected ranges

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

Affected versions

1.*
1.8.2-1
1.8.2-2.1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libsixel-bin",
            "binary_version":  "1.8.2-2.1"
        },
        {
            "binary_name":  "libsixel-examples",
            "binary_version":  "1.8.2-2.1"
        },
        {
            "binary_name":  "libsixel1",
            "binary_version":  "1.8.2-2.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-110601.json"
Ubuntu:22.04:LTS
libsixel

Package

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

Affected ranges

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

Affected versions

1.*
1.8.6-2
1.10.3-2
1.10.3-3

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libsixel-bin",
            "binary_version":  "1.10.3-3"
        },
        {
            "binary_name":  "libsixel-examples",
            "binary_version":  "1.10.3-3"
        },
        {
            "binary_name":  "libsixel1",
            "binary_version":  "1.10.3-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-110601.json"
Ubuntu:24.04:LTS
libsixel

Package

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

Affected ranges

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

Affected versions

1.*
1.10.3-3
1.10.3-3build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libsixel-bin",
            "binary_version":  "1.10.3-3build1"
        },
        {
            "binary_name":  "libsixel-examples",
            "binary_version":  "1.10.3-3build1"
        },
        {
            "binary_name":  "libsixel1",
            "binary_version":  "1.10.3-3build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-110601.json"
Ubuntu:26.04:LTS
libsixel

Package

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

Affected ranges

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

Affected versions

1.*
1.10.5-1
1.10.5-1build1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libsixel-bin",
            "binary_version":  "1.10.5-1build1"
        },
        {
            "binary_name":  "libsixel-examples",
            "binary_version":  "1.10.5-1build1"
        },
        {
            "binary_name":  "libsixel1",
            "binary_version":  "1.10.5-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-110601.json"
Ubuntu:26.10
libsixel

Package

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

Affected ranges

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

Affected versions

1.*
1.10.5-1build1
1:1.*
1:1.8.7-r2-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "libsixel-bin",
            "binary_version":  "1:1.8.7-r2-1"
        },
        {
            "binary_name":  "libsixel1",
            "binary_version":  "1:1.8.7-r2-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-110601.json"