UBUNTU-CVE-2026-4711

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Source

https://ubuntu.com/security/CVE-2026-4711

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4711.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-4711

Upstream

CVE-2026-4711

Published

2026-03-24T13:16:00Z

Modified

2026-04-22T16:34:10.314317Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

Use-after-free in the Widget: Cocoa component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

References

Affected packages

Ubuntu:18.04:LTS

mozjs52

Package

Name: mozjs52
Purl: pkg:deb/ubuntu/mozjs52@52.9.1-0ubuntu0.18.04.1?arch=source&distro=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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4711.json"

mozjs38

Package

Name: mozjs38
Purl: pkg:deb/ubuntu/mozjs38@38.8.0~repack1-0ubuntu4?arch=source&distro=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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4711.json"

Ubuntu:20.04:LTS

mozjs68

Package

Name: mozjs68
Purl: pkg:deb/ubuntu/mozjs68@68.6.0-1ubuntu1?arch=source&distro=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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4711.json"

mozjs52

Package

Name: mozjs52
Purl: pkg:deb/ubuntu/mozjs52@52.9.1-1ubuntu3?arch=source&distro=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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4711.json"

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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4711.json"

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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4711.json"

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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4711.json"

thunderbird

Package

Name: thunderbird
Purl: pkg:deb/ubuntu/thunderbird@1:140.7.1+build1-0ubuntu0.22.04.1?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

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

1:115.6.0+build2-0ubuntu0.22.04.1

1:115.8.1+build1-0ubuntu0.22.04.1

1:115.9.0+build1-0ubuntu0.22.04.1

1:115.10.1+build1-0ubuntu0.22.04.1

1:115.11.0+build2-0ubuntu0.22.04.1

1:115.12.0+build3-0ubuntu0.22.04.1

1:115.13.0+build5-0ubuntu0.22.04.1

1:115.15.0+build1-0ubuntu0.22.04.1

1:115.16.0+build2-0ubuntu0.22.04.1

1:115.18.0+build1-0ubuntu0.22.04.1

1:128.*

1:128.12.0+build1-0ubuntu0.22.04.1

1:140.*

1:140.7.1+build1-0ubuntu0.22.04.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1:140.7.1+build1-0ubuntu0.22.04.1",
            "binary_name": "thunderbird"
        },
        {
            "binary_version": "1:140.7.1+build1-0ubuntu0.22.04.1",
            "binary_name": "thunderbird-gnome-support"
        },
        {
            "binary_version": "1:140.7.1+build1-0ubuntu0.22.04.1",
            "binary_name": "thunderbird-mozsymbols"
        },
        {
            "binary_version": "1:140.7.1+build1-0ubuntu0.22.04.1",
            "binary_name": "xul-ext-calendar-timezones"
        },
        {
            "binary_version": "1:140.7.1+build1-0ubuntu0.22.04.1",
            "binary_name": "xul-ext-gdata-provider"
        },
        {
            "binary_version": "1:140.7.1+build1-0ubuntu0.22.04.1",
            "binary_name": "xul-ext-lightning"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4711.json"

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"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4711.json"

mozjs115

Package

Name: mozjs115
Purl: pkg:deb/ubuntu/mozjs115@115.10.0-1?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

115.*

115.3.0-0ubuntu1

115.4.0-2

115.5.0-1

115.6.0-1

115.7.0-4

115.8.0-1

115.9.0-1

115.9.0-1build1

115.10.0-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "115.10.0-1",
            "binary_name": "libmozjs-115-0t64"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4711.json"