UBUNTU-CVE-2021-29952

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Source
https://ubuntu.com/security/CVE-2021-29952
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29952.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-29952
Upstream
Downstream
Related
Published
2021-05-07T00:00:00Z
Modified
2026-02-04T02:38:46.317939Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

When Web Render components were destructed, a race condition could have caused undefined behavior, and we presume that with enough effort may have been exploitable to run arbitrary code. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.

References

Affected packages

Ubuntu:18.04:LTS
firefox

Package

Name
firefox
Purl
pkg:deb/ubuntu/firefox@88.0.1+build1-0ubuntu0.18.04.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
88.0.1+build1-0ubuntu0.18.04.2

Affected versions

56.*
56.0+build6-0ubuntu1
57.*
57.0.1+build2-0ubuntu1
59.*
59.0.1+build1-0ubuntu1
59.0.2+build1-0ubuntu1
60.*
60.0+build2-0ubuntu1
60.0.1+build2-0ubuntu0.18.04.1
60.0.2+build1-0ubuntu0.18.04.1
61.*
61.0+build3-0ubuntu0.18.04.1
61.0.1+build1-0ubuntu0.18.04.1
62.*
62.0+build2-0ubuntu0.18.04.3
62.0+build2-0ubuntu0.18.04.4
62.0+build2-0ubuntu0.18.04.5
62.0.3+build1-0ubuntu0.18.04.1
63.*
63.0+build2-0ubuntu0.18.04.2
63.0.3+build1-0ubuntu0.18.04.1
64.*
64.0+build3-0ubuntu0.18.04.1
65.*
65.0+build2-0ubuntu0.18.04.1
65.0.1+build2-0ubuntu0.18.04.1
66.*
66.0+build3-0ubuntu0.18.04.1
66.0.1+build1-0ubuntu0.18.04.1
66.0.2+build1-0ubuntu0.18.04.1
66.0.3+build1-0ubuntu0.18.04.1
66.0.4+build3-0ubuntu0.18.04.1
66.0.5+build1-0ubuntu0.18.04.1
67.*
67.0+build2-0ubuntu0.18.04.1
67.0.1+build1-0ubuntu0.18.04.1
67.0.2+build2-0ubuntu0.18.04.1
67.0.3+build1-0ubuntu0.18.04.1
67.0.4+build1-0ubuntu0.18.04.1
68.*
68.0+build3-0ubuntu0.18.04.1
68.0.1+build1-0ubuntu0.18.04.1
68.0.2+build1-0ubuntu0.18.04.1
69.*
69.0+build2-0ubuntu0.18.04.1
69.0.1+build1-0ubuntu0.18.04.1
69.0.2+build1-0ubuntu0.18.04.1
70.*
70.0+build2-0ubuntu0.18.04.1
70.0.1+build1-0ubuntu0.18.04.1
71.*
71.0+build5-0ubuntu0.18.04.1
72.*
72.0.1+build1-0ubuntu0.18.04.1
72.0.2+build1-0ubuntu0.18.04.1
73.*
73.0+build3-0ubuntu0.18.04.1
73.0.1+build1-0ubuntu0.18.04.1
74.*
74.0+build3-0ubuntu0.18.04.1
74.0.1+build1-0ubuntu0.18.04.1
75.*
75.0+build3-0ubuntu0.18.04.1
76.*
76.0+build2-0ubuntu0.18.04.1
76.0.1+build1-0ubuntu0.18.04.1
77.*
77.0.1+build1-0ubuntu0.18.04.1
78.*
78.0.1+build1-0ubuntu0.18.04.1
78.0.2+build2-0ubuntu0.18.04.1
79.*
79.0+build1-0ubuntu0.18.04.1
80.*
80.0+build2-0ubuntu0.18.04.1
80.0.1+build1-0ubuntu0.18.04.1
81.*
81.0+build2-0ubuntu0.18.04.1
81.0.2+build1-0ubuntu0.18.04.1
82.*
82.0+build2-0ubuntu0.18.04.1
82.0.2+build1-0ubuntu0.18.04.1
82.0.3+build1-0ubuntu0.18.04.1
83.*
83.0+build2-0ubuntu0.18.04.2
84.*
84.0+build3-0ubuntu0.18.04.1
84.0.1+build1-0ubuntu0.18.04.1
84.0.2+build1-0ubuntu0.18.04.1
85.*
85.0+build1-0ubuntu0.18.04.1
85.0.1+build1-0ubuntu0.18.04.1
86.*
86.0+build3-0ubuntu0.18.04.1
86.0.1+build1-0ubuntu0.18.04.1
87.*
87.0+build3-0ubuntu0.18.04.2
88.*
88.0+build2-0ubuntu0.18.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "firefox",
            "binary_version": "88.0.1+build1-0ubuntu0.18.04.2"
        },
        {
            "binary_name": "firefox-dev",
            "binary_version": "88.0.1+build1-0ubuntu0.18.04.2"
        },
        {
            "binary_name": "firefox-geckodriver",
            "binary_version": "88.0.1+build1-0ubuntu0.18.04.2"
        },
        {
            "binary_name": "firefox-mozsymbols",
            "binary_version": "88.0.1+build1-0ubuntu0.18.04.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29952.json"
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_name": "libmozjs-52-0",
            "binary_version": "52.9.1-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libmozjs-52-dev",
            "binary_version": "52.9.1-0ubuntu0.18.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29952.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_name": "libmozjs-38-0",
            "binary_version": "38.8.0~repack1-0ubuntu4"
        },
        {
            "binary_name": "libmozjs-38-dev",
            "binary_version": "38.8.0~repack1-0ubuntu4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29952.json"
Ubuntu:20.04:LTS
firefox

Package

Name
firefox
Purl
pkg:deb/ubuntu/firefox@88.0.1+build1-0ubuntu0.20.04.2?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
88.0.1+build1-0ubuntu0.20.04.2

Affected versions

69.*
69.0.3+build1-0ubuntu1
70.*
70.0+build2-0ubuntu1
70.0+build2-0ubuntu2
70.0.1+build1-0ubuntu2
71.*
71.0+build2-0ubuntu2
71.0+build5-0ubuntu1
72.*
72.0.1+build1-0ubuntu1
72.0.2+build1-0ubuntu1
73.*
73.0+build1-0ubuntu1
73.0+build2-0ubuntu1
73.0+build3-0ubuntu1
73.0.1+build1-0ubuntu1
74.*
74.0+build1-0ubuntu1
74.0+build2-0ubuntu1
74.0+build2-0ubuntu2
74.0+build3-0ubuntu1
75.*
75.0+build3-0ubuntu1
76.*
76.0+build2-0ubuntu0.20.04.1
76.0.1+build1-0ubuntu0.20.04.1
77.*
77.0.1+build1-0ubuntu0.20.04.1
78.*
78.0.1+build1-0ubuntu0.20.04.1
78.0.2+build2-0ubuntu0.20.04.1
79.*
79.0+build1-0ubuntu0.20.04.1
80.*
80.0+build2-0ubuntu0.20.04.1
80.0.1+build1-0ubuntu0.20.04.1
81.*
81.0+build2-0ubuntu0.20.04.1
81.0.2+build1-0ubuntu0.20.04.1
82.*
82.0+build2-0ubuntu0.20.04.1
82.0.2+build1-0ubuntu0.20.04.1
82.0.3+build1-0ubuntu0.20.04.1
83.*
83.0+build2-0ubuntu0.20.04.1
84.*
84.0+build3-0ubuntu0.20.04.1
84.0.1+build1-0ubuntu0.20.04.1
84.0.2+build1-0ubuntu0.20.04.1
85.*
85.0+build1-0ubuntu0.20.04.1
85.0.1+build1-0ubuntu0.20.04.1
86.*
86.0+build3-0ubuntu0.20.04.1
86.0.1+build1-0ubuntu0.20.04.1
87.*
87.0+build3-0ubuntu0.20.04.2
88.*
88.0+build2-0ubuntu0.20.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "firefox",
            "binary_version": "88.0.1+build1-0ubuntu0.20.04.2"
        },
        {
            "binary_name": "firefox-dev",
            "binary_version": "88.0.1+build1-0ubuntu0.20.04.2"
        },
        {
            "binary_name": "firefox-geckodriver",
            "binary_version": "88.0.1+build1-0ubuntu0.20.04.2"
        },
        {
            "binary_name": "firefox-mozsymbols",
            "binary_version": "88.0.1+build1-0ubuntu0.20.04.2"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29952.json"
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_name": "libmozjs-68-0",
            "binary_version": "68.6.0-1ubuntu1"
        },
        {
            "binary_name": "libmozjs-68-dev",
            "binary_version": "68.6.0-1ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29952.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_name": "libmozjs-52-0",
            "binary_version": "52.9.1-1ubuntu3"
        },
        {
            "binary_name": "libmozjs-52-dev",
            "binary_version": "52.9.1-1ubuntu3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29952.json"
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_name": "libmozjs-78-0",
            "binary_version": "78.15.0-4ubuntu1"
        },
        {
            "binary_name": "libmozjs-78-dev",
            "binary_version": "78.15.0-4ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29952.json"