USN-8949-1

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Source
https://ubuntu.com/security/notices/USN-8949-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8949-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8949-1
Upstream
CVE (2)
Related
UBUNTU (2)
Published
2026-10-21T15:39:32Z
Modified
2026-10-22T23:27:00Z
Summary
ghostscript vulnerabilities
Details

Rick de Jager discovered that Ghostscript incorrectly handled memory under certain circumstances when processing PostScript documents. If a user or automated system were tricked into processing a specially crafted document, an attacker could possibly use this issue to bypass the sandbox and execute arbitrary code. (CVE-2026-101258)

It was discovered that Ghostscript incorrectly handled memory when converting certain fonts. If a user or automated system were tricked into processing a specially crafted file, an attacker could possibly use this issue to cause Ghostscript to crash, or possibly execute arbitrary code. (CVE-2026-103226)

Paulos Yibelo discovered that Ghostscript did not properly validate certain operands when loading fonts. If a user or automated system were tricked into processing a specially crafted file, an attacker could possibly use this issue to bypass the sandbox and execute arbitrary code. (No CVE number)

References

Affected packages

Ubuntu:22.04:LTS
ghostscript

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.55.0~dfsg1-0ubuntu5.15

Affected versions

9.*
9.54.0~dfsg1-0ubuntu2
9.55.0~dfsg1-0ubuntu4
9.55.0~dfsg1-0ubuntu5
9.55.0~dfsg1-0ubuntu5.1
9.55.0~dfsg1-0ubuntu5.2
9.55.0~dfsg1-0ubuntu5.3
9.55.0~dfsg1-0ubuntu5.4
9.55.0~dfsg1-0ubuntu5.5
9.55.0~dfsg1-0ubuntu5.6
9.55.0~dfsg1-0ubuntu5.7
9.55.0~dfsg1-0ubuntu5.9
9.55.0~dfsg1-0ubuntu5.10
9.55.0~dfsg1-0ubuntu5.11
9.55.0~dfsg1-0ubuntu5.12
9.55.0~dfsg1-0ubuntu5.13
9.55.0~dfsg1-0ubuntu5.14

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "ghostscript",
            "binary_version": "9.55.0~dfsg1-0ubuntu5.15"
        },
        {
            "binary_name": "ghostscript-x",
            "binary_version": "9.55.0~dfsg1-0ubuntu5.15"
        },
        {
            "binary_name": "libgs9",
            "binary_version": "9.55.0~dfsg1-0ubuntu5.15"
        },
        {
            "binary_name": "libgs9-common",
            "binary_version": "9.55.0~dfsg1-0ubuntu5.15"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-101258",
            "severity": [
                {
                    "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-2026-103226",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
                    "type": "CVSS_V4"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:22.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8949-1.json"
Ubuntu:24.04:LTS
ghostscript

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
10.02.1~dfsg1-0ubuntu7.10

Affected versions

10.*
10.01.2~dfsg1-0ubuntu2
10.01.2~dfsg1-0ubuntu2.1
10.02.1~dfsg1-0ubuntu1
10.02.1~dfsg1-0ubuntu2
10.02.1~dfsg1-0ubuntu5
10.02.1~dfsg1-0ubuntu6
10.02.1~dfsg1-0ubuntu7
10.02.1~dfsg1-0ubuntu7.1
10.02.1~dfsg1-0ubuntu7.3
10.02.1~dfsg1-0ubuntu7.4
10.02.1~dfsg1-0ubuntu7.5
10.02.1~dfsg1-0ubuntu7.6
10.02.1~dfsg1-0ubuntu7.7
10.02.1~dfsg1-0ubuntu7.8
10.02.1~dfsg1-0ubuntu7.9

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "ghostscript",
            "binary_version": "10.02.1~dfsg1-0ubuntu7.10"
        },
        {
            "binary_name": "libgs-common",
            "binary_version": "10.02.1~dfsg1-0ubuntu7.10"
        },
        {
            "binary_name": "libgs10",
            "binary_version": "10.02.1~dfsg1-0ubuntu7.10"
        },
        {
            "binary_name": "libgs10-common",
            "binary_version": "10.02.1~dfsg1-0ubuntu7.10"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-101258",
            "severity": [
                {
                    "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-2026-103226",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
                    "type": "CVSS_V4"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:24.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8949-1.json"
Ubuntu:26.04:LTS
ghostscript

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
10.06.0~dfsg-3ubuntu1.2

Affected versions

10.*
10.05.0dfsg1-0ubuntu4
10.05.0dfsg1-0ubuntu5
10.06.0~dfsg-3ubuntu1
10.06.0~dfsg-3ubuntu1.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "ghostscript",
            "binary_version": "10.06.0~dfsg-3ubuntu1.2"
        },
        {
            "binary_name": "libgs-common",
            "binary_version": "10.06.0~dfsg-3ubuntu1.2"
        },
        {
            "binary_name": "libgs10",
            "binary_version": "10.06.0~dfsg-3ubuntu1.2"
        },
        {
            "binary_name": "libgs10-common",
            "binary_version": "10.06.0~dfsg-3ubuntu1.2"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-101258",
            "severity": [
                {
                    "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-2026-103226",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
                    "type": "CVSS_V4"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:26.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8949-1.json"
Ubuntu:26.10
ghostscript

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
10.07.1~dfsg-1ubuntu2.1

Affected versions

10.*
10.06.0~dfsg-3ubuntu1
10.07.1~dfsg-1ubuntu1
10.07.1~dfsg-1ubuntu2

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "ghostscript",
            "binary_version": "10.07.1~dfsg-1ubuntu2.1"
        },
        {
            "binary_name": "libgs-common",
            "binary_version": "10.07.1~dfsg-1ubuntu2.1"
        },
        {
            "binary_name": "libgs10",
            "binary_version": "10.07.1~dfsg-1ubuntu2.1"
        },
        {
            "binary_name": "libgs10-common",
            "binary_version": "10.07.1~dfsg-1ubuntu2.1"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-101258",
            "severity": [
                {
                    "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-2026-103226",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
                    "type": "CVSS_V4"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:26.10"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8949-1.json"
Ubuntu:Pro:16.04:LTS
ghostscript

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.26~dfsg+0-0ubuntu0.16.04.14+esm11

Affected versions

9.*
9.16~dfsg~0-0ubuntu3
9.16~dfsg~0-0ubuntu4
9.18~dfsg~0-0ubuntu1
9.18~dfsg~0-0ubuntu2
9.18~dfsg~0-0ubuntu2.2
9.18~dfsg~0-0ubuntu2.3
9.18~dfsg~0-0ubuntu2.4
9.18~dfsg~0-0ubuntu2.6
9.18~dfsg~0-0ubuntu2.7
9.18~dfsg~0-0ubuntu2.8
9.18~dfsg~0-0ubuntu2.9
9.25~dfsg+1-0ubuntu0.16.04.1
9.25~dfsg+1-0ubuntu0.16.04.2
9.25~dfsg+1-0ubuntu0.16.04.3
9.26~dfsg+0-0ubuntu0.16.04.1
9.26~dfsg+0-0ubuntu0.16.04.3
9.26~dfsg+0-0ubuntu0.16.04.4
9.26~dfsg+0-0ubuntu0.16.04.5
9.26~dfsg+0-0ubuntu0.16.04.6
9.26~dfsg+0-0ubuntu0.16.04.7
9.26~dfsg+0-0ubuntu0.16.04.8
9.26~dfsg+0-0ubuntu0.16.04.9
9.26~dfsg+0-0ubuntu0.16.04.10
9.26~dfsg+0-0ubuntu0.16.04.11
9.26~dfsg+0-0ubuntu0.16.04.12
9.26~dfsg+0-0ubuntu0.16.04.13
9.26~dfsg+0-0ubuntu0.16.04.14
9.26~dfsg+0-0ubuntu0.16.04.14+esm1
9.26~dfsg+0-0ubuntu0.16.04.14+esm2
9.26~dfsg+0-0ubuntu0.16.04.14+esm3
9.26~dfsg+0-0ubuntu0.16.04.14+esm4
9.26~dfsg+0-0ubuntu0.16.04.14+esm5
9.26~dfsg+0-0ubuntu0.16.04.14+esm6
9.26~dfsg+0-0ubuntu0.16.04.14+esm7
9.26~dfsg+0-0ubuntu0.16.04.14+esm8
9.26~dfsg+0-0ubuntu0.16.04.14+esm9
9.26~dfsg+0-0ubuntu0.16.04.14+esm10

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "ghostscript",
            "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.14+esm11"
        },
        {
            "binary_name": "ghostscript-x",
            "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.14+esm11"
        },
        {
            "binary_name": "libgs9",
            "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.14+esm11"
        },
        {
            "binary_name": "libgs9-common",
            "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.14+esm11"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-101258",
            "severity": [
                {
                    "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-2026-103226",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
                    "type": "CVSS_V4"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:16.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8949-1.json"
Ubuntu:Pro:18.04:LTS
ghostscript

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.26~dfsg+0-0ubuntu0.18.04.18+esm6

Affected versions

9.*
9.21~dfsg+1-0ubuntu3
9.22~dfsg+1-0ubuntu1
9.22~dfsg+1-0ubuntu1.1
9.22~dfsg+1-0ubuntu1.2
9.25~dfsg+1-0ubuntu0.18.04.1
9.25~dfsg+1-0ubuntu0.18.04.2
9.26~dfsg+0-0ubuntu0.18.04.1
9.26~dfsg+0-0ubuntu0.18.04.3
9.26~dfsg+0-0ubuntu0.18.04.4
9.26~dfsg+0-0ubuntu0.18.04.5
9.26~dfsg+0-0ubuntu0.18.04.6
9.26~dfsg+0-0ubuntu0.18.04.7
9.26~dfsg+0-0ubuntu0.18.04.8
9.26~dfsg+0-0ubuntu0.18.04.9
9.26~dfsg+0-0ubuntu0.18.04.10
9.26~dfsg+0-0ubuntu0.18.04.11
9.26~dfsg+0-0ubuntu0.18.04.12
9.26~dfsg+0-0ubuntu0.18.04.13
9.26~dfsg+0-0ubuntu0.18.04.14
9.26~dfsg+0-0ubuntu0.18.04.15
9.26~dfsg+0-0ubuntu0.18.04.16
9.26~dfsg+0-0ubuntu0.18.04.17
9.26~dfsg+0-0ubuntu0.18.04.18
9.26~dfsg+0-0ubuntu0.18.04.18+esm1
9.26~dfsg+0-0ubuntu0.18.04.18+esm2
9.26~dfsg+0-0ubuntu0.18.04.18+esm3
9.26~dfsg+0-0ubuntu0.18.04.18+esm4
9.26~dfsg+0-0ubuntu0.18.04.18+esm5

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "ghostscript",
            "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.18+esm6"
        },
        {
            "binary_name": "ghostscript-x",
            "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.18+esm6"
        },
        {
            "binary_name": "libgs9",
            "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.18+esm6"
        },
        {
            "binary_name": "libgs9-common",
            "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.18+esm6"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-101258",
            "severity": [
                {
                    "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-2026-103226",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
                    "type": "CVSS_V4"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:18.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8949-1.json"
Ubuntu:Pro:20.04:LTS
ghostscript

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
9.50~dfsg-5ubuntu4.15+esm3

Affected versions

9.*
9.27~dfsg+0-0ubuntu3
9.27~dfsg+0-0ubuntu4
9.50~dfsg-5ubuntu1
9.50~dfsg-5ubuntu2
9.50~dfsg-5ubuntu3
9.50~dfsg-5ubuntu4
9.50~dfsg-5ubuntu4.1
9.50~dfsg-5ubuntu4.2
9.50~dfsg-5ubuntu4.3
9.50~dfsg-5ubuntu4.4
9.50~dfsg-5ubuntu4.5
9.50~dfsg-5ubuntu4.6
9.50~dfsg-5ubuntu4.7
9.50~dfsg-5ubuntu4.8
9.50~dfsg-5ubuntu4.9
9.50~dfsg-5ubuntu4.10
9.50~dfsg-5ubuntu4.11
9.50~dfsg-5ubuntu4.12
9.50~dfsg-5ubuntu4.13
9.50~dfsg-5ubuntu4.14
9.50~dfsg-5ubuntu4.15
9.50~dfsg-5ubuntu4.15+esm1
9.50~dfsg-5ubuntu4.15+esm2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "ghostscript",
            "binary_version": "9.50~dfsg-5ubuntu4.15+esm3"
        },
        {
            "binary_name": "ghostscript-x",
            "binary_version": "9.50~dfsg-5ubuntu4.15+esm3"
        },
        {
            "binary_name": "libgs9",
            "binary_version": "9.50~dfsg-5ubuntu4.15+esm3"
        },
        {
            "binary_name": "libgs9-common",
            "binary_version": "9.50~dfsg-5ubuntu4.15+esm3"
        }
    ]
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2026-101258",
            "severity": [
                {
                    "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-2026-103226",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L",
                    "type": "CVSS_V3"
                },
                {
                    "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
                    "type": "CVSS_V4"
                },
                {
                    "score": "low",
                    "type": "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:20.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8949-1.json"