UBUNTU-CVE-2023-6862

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2023-6862
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-6862.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2023-6862
Upstream
Downstream
Related
Published
2023-12-20T00:00:00Z
Modified
2025-09-08T16:56:02Z
Severity
  • 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A use-after-free was identified in the nsDNSService::Init. This issue appears to manifest rarely during start-up. This vulnerability affects Firefox ESR < 115.6 and Thunderbird < 115.6.

References

Affected packages

Ubuntu:Pro:18.04:LTS / mozjs52

Package

Name
mozjs52
Purl
pkg:deb/ubuntu/mozjs52@52.9.1-0ubuntu0.18.04.1?arch=source&distro=esm-infra/bionic

Affected ranges

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

Affected versions

52.*

52.3.1-0ubuntu3
52.3.1-7fakesync1
52.8.1-0ubuntu0.18.04.1
52.9.1-0ubuntu0.18.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "52.9.1-0ubuntu0.18.04.1",
            "binary_name": "libmozjs-52-0"
        },
        {
            "binary_version": "52.9.1-0ubuntu0.18.04.1",
            "binary_name": "libmozjs-52-dev"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / mozjs38

Package

Name
mozjs38
Purl
pkg:deb/ubuntu/mozjs38@38.8.0~repack1-0ubuntu4?arch=source&distro=esm-apps/bionic

Affected ranges

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

Affected versions

38.*

38.8.0~repack1-0ubuntu1
38.8.0~repack1-0ubuntu3
38.8.0~repack1-0ubuntu4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "38.8.0~repack1-0ubuntu4",
            "binary_name": "libmozjs-38-0"
        },
        {
            "binary_version": "38.8.0~repack1-0ubuntu4",
            "binary_name": "libmozjs-38-dev"
        }
    ]
}

Ubuntu:20.04:LTS / thunderbird

Package

Name
thunderbird
Purl
pkg:deb/ubuntu/thunderbird@1:115.6.0+build2-0ubuntu0.20.04.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:115.6.0+build2-0ubuntu0.20.04.1

Affected versions

1:68.*

1:68.1.2+build1-0ubuntu1
1:68.1.2+build1-0ubuntu2
1:68.2.1+build1-0ubuntu1
1:68.2.2+build1-0ubuntu1
1:68.3.0+build2-0ubuntu1
1:68.3.1+build1-0ubuntu2
1:68.4.1+build1-0ubuntu1
1:68.4.2+build2-0ubuntu1
1:68.5.0+build1-0ubuntu1
1:68.6.0+build2-0ubuntu1
1:68.7.0+build1-0ubuntu1
1:68.7.0+build1-0ubuntu2
1:68.8.0+build2-0ubuntu0.20.04.2
1:68.10.0+build1-0ubuntu0.20.04.1

1:78.*

1:78.7.1+build1-0ubuntu0.20.04.1
1:78.8.1+build1-0ubuntu0.20.04.1
1:78.11.0+build1-0ubuntu0.20.04.2
1:78.13.0+build1-0ubuntu0.20.04.2
1:78.14.0+build1-0ubuntu0.20.04.1
1:78.14.0+build1-0ubuntu0.20.04.2

1:91.*

1:91.5.0+build1-0ubuntu0.20.04.1
1:91.7.0+build2-0ubuntu0.20.04.1
1:91.8.1+build1-0ubuntu0.20.04.1
1:91.9.1+build1-0ubuntu0.20.04.1
1:91.11.0+build2-0ubuntu0.20.04.1

1:102.*

1:102.2.2+build1-0ubuntu0.20.04.1
1:102.4.2+build2-0ubuntu0.20.04.1
1:102.7.1+build2-0ubuntu0.20.04.1
1:102.8.0+build2-0ubuntu0.20.04.1
1:102.9.0+build1-0ubuntu0.20.04.1
1:102.10.0+build2-0ubuntu0.20.04.1
1:102.11.0+build1-0ubuntu0.20.04.1
1:102.13.0+build1-0ubuntu0.20.04.1
1:102.15.0+build1-0ubuntu0.20.04.1
1:102.15.1+build1-0ubuntu0.20.04.1

1:115.*

1:115.3.1+build1-0ubuntu0.20.04.1
1:115.4.1+build1-0ubuntu0.20.04.1
1:115.5.0+build1-0ubuntu0.20.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:115.6.0+build2-0ubuntu0.20.04.1",
            "binary_name": "thunderbird"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu0.20.04.1",
            "binary_name": "thunderbird-dev"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu0.20.04.1",
            "binary_name": "thunderbird-gnome-support"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu0.20.04.1",
            "binary_name": "thunderbird-mozsymbols"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu0.20.04.1",
            "binary_name": "xul-ext-calendar-timezones"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu0.20.04.1",
            "binary_name": "xul-ext-gdata-provider"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu0.20.04.1",
            "binary_name": "xul-ext-lightning"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:Pro:20.04:LTS / mozjs68

Package

Name
mozjs68
Purl
pkg:deb/ubuntu/mozjs68@68.6.0-1ubuntu1?arch=source&distro=esm-infra/focal

Affected ranges

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

Affected versions

68.*

68.5.0-1~fakesync
68.5.0-2~fakesync
68.6.0-1
68.6.0-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "68.6.0-1ubuntu1",
            "binary_name": "libmozjs-68-0"
        },
        {
            "binary_version": "68.6.0-1ubuntu1",
            "binary_name": "libmozjs-68-dev"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / mozjs52

Package

Name
mozjs52
Purl
pkg:deb/ubuntu/mozjs52@52.9.1-1ubuntu3?arch=source&distro=esm-apps/focal

Affected ranges

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

Affected versions

52.*

52.9.1-1build1
52.9.1-1ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "52.9.1-1ubuntu3",
            "binary_name": "libmozjs-52-0"
        },
        {
            "binary_version": "52.9.1-1ubuntu3",
            "binary_name": "libmozjs-52-dev"
        }
    ]
}

Ubuntu:22.04:LTS / mozjs102

Package

Name
mozjs102
Purl
pkg:deb/ubuntu/mozjs102@102.15.1-0ubuntu0.22.04.1?arch=source&distro=jammy

Affected ranges

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

Affected versions

102.*

102.11.0-0ubuntu0.22.04.1
102.12.0-0ubuntu0.22.04.1
102.13.0-0ubuntu0.22.04.1
102.15.1-0ubuntu0.22.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "102.15.1-0ubuntu0.22.04.1",
            "binary_name": "libmozjs-102-0"
        },
        {
            "binary_version": "102.15.1-0ubuntu0.22.04.1",
            "binary_name": "libmozjs-102-dev"
        }
    ]
}

Ubuntu:22.04:LTS / mozjs78

Package

Name
mozjs78
Purl
pkg:deb/ubuntu/mozjs78@78.15.0-4ubuntu1?arch=source&distro=jammy

Affected ranges

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

Affected versions

78.*

78.13.0-1
78.15.0-2
78.15.0-4ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "78.15.0-4ubuntu1",
            "binary_name": "libmozjs-78-0"
        },
        {
            "binary_version": "78.15.0-4ubuntu1",
            "binary_name": "libmozjs-78-dev"
        }
    ]
}

Ubuntu:22.04:LTS / mozjs91

Package

Name
mozjs91
Purl
pkg:deb/ubuntu/mozjs91@91.10.0-0ubuntu1?arch=source&distro=jammy

Affected ranges

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

Affected versions

91.*

91.5.1-0ubuntu1
91.6.0-1
91.6.0-2
91.7.0-2
91.10.0-0ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "91.10.0-0ubuntu1",
            "binary_name": "libmozjs-91-0"
        },
        {
            "binary_version": "91.10.0-0ubuntu1",
            "binary_name": "libmozjs-91-dev"
        }
    ]
}

Ubuntu:22.04:LTS / thunderbird

Package

Name
thunderbird
Purl
pkg:deb/ubuntu/thunderbird@1:115.6.0+build2-0ubuntu0.22.04.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:115.6.0+build2-0ubuntu0.22.04.1

Affected versions

1:91.*

1:91.1.2+build1-0ubuntu1
1:91.3.0+build2-0ubuntu1
1:91.3.1+build1-0ubuntu1
1:91.3.2+build1-0ubuntu1
1:91.4.0+build1.1-0ubuntu1
1:91.4.0+build2-0ubuntu1
1:91.5.0+build1-0ubuntu1
1:91.5.1+build1-0ubuntu1
1:91.6.1+build1-0ubuntu1
1:91.7.0+build1-0ubuntu1
1:91.7.0+build2-0ubuntu1
1:91.8.0+build2-0ubuntu1
1:91.9.1+build1-0ubuntu0.22.04.1
1:91.11.0+build2-0ubuntu0.22.04.1

1:102.*

1:102.2.2+build1-0ubuntu0.22.04.1
1:102.4.2+build2-0ubuntu0.22.04.1
1:102.7.1+build2-0ubuntu0.22.04.1
1:102.8.0+build2-0ubuntu0.22.04.1
1:102.9.0+build1-0ubuntu0.22.04.1
1:102.10.0+build2-0ubuntu0.22.04.1
1:102.11.0+build1-0ubuntu0.22.04.1
1:102.13.0+build1-0ubuntu0.22.04.1
1:102.15.0+build1-0ubuntu0.22.04.1
1:102.15.1+build1-0ubuntu0.22.04.1

1:115.*

1:115.3.1+build1-0ubuntu0.22.04.2
1:115.4.1+build1-0ubuntu0.22.04.1
1:115.5.0+build1-0ubuntu0.22.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:115.6.0+build2-0ubuntu0.22.04.1",
            "binary_name": "thunderbird"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu0.22.04.1",
            "binary_name": "thunderbird-dev"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu0.22.04.1",
            "binary_name": "thunderbird-gnome-support"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu0.22.04.1",
            "binary_name": "thunderbird-mozsymbols"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu0.22.04.1",
            "binary_name": "xul-ext-calendar-timezones"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu0.22.04.1",
            "binary_name": "xul-ext-gdata-provider"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu0.22.04.1",
            "binary_name": "xul-ext-lightning"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:24.04:LTS / mozjs102

Package

Name
mozjs102
Purl
pkg:deb/ubuntu/mozjs102@102.15.1-3ubuntu2?arch=source&distro=noble

Affected ranges

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

Affected versions

102.*

102.15.1-1
102.15.1-3ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "102.15.1-3ubuntu2",
            "binary_name": "libmozjs-102-0t64"
        },
        {
            "binary_version": "102.15.1-3ubuntu2",
            "binary_name": "libmozjs-102-dev"
        }
    ]
}

Ubuntu:24.04:LTS / thunderbird

Package

Name
thunderbird
Purl
pkg:deb/ubuntu/thunderbird@1:115.6.0+build2-0ubuntu1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:115.6.0+build2-0ubuntu1

Affected versions

1:115.*

1:115.3.1+build1-0ubuntu1
1:115.4.1+build1-0ubuntu1
1:115.4.3+build1-0ubuntu1
1:115.5.0+build1-0ubuntu1
1:115.5.1+build1-0ubuntu1
1:115.5.2+build2-0ubuntu1
1:115.6.0+build1-0ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1:115.6.0+build2-0ubuntu1",
            "binary_name": "thunderbird"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu1",
            "binary_name": "thunderbird-dev"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu1",
            "binary_name": "thunderbird-gnome-support"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu1",
            "binary_name": "thunderbird-mozsymbols"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu1",
            "binary_name": "xul-ext-calendar-timezones"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu1",
            "binary_name": "xul-ext-gdata-provider"
        },
        {
            "binary_version": "1:115.6.0+build2-0ubuntu1",
            "binary_name": "xul-ext-lightning"
        }
    ],
    "availability": "No subscription required"
}