UBUNTU-CVE-2018-12386

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Source
https://ubuntu.com/security/CVE-2018-12386
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-12386.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-12386
Upstream
Downstream
Related
Published
2018-10-03T00:00:00Z
Modified
2025-09-08T16:44:54Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A vulnerability in register allocation in JavaScript can lead to type confusion, allowing for an arbitrary read and write. This leads to remote code execution inside the sandboxed content process when triggered. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.

References

Affected packages

Ubuntu:14.04:LTS

firefox

Package

Name
firefox
Purl
pkg:deb/ubuntu/firefox@62.0.3+build1-0ubuntu0.14.04.2?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
62.0.3+build1-0ubuntu0.14.04.2

Affected versions

24.*

24.0+build1-0ubuntu1

25.*

25.0+build3-0ubuntu0.13.10.1

28.*

28.0~b2+build1-0ubuntu2
28.0+build1-0ubuntu1
28.0+build2-0ubuntu1
28.0+build2-0ubuntu2

29.*

29.0+build1-0ubuntu0.14.04.2

30.*

30.0+build1-0ubuntu0.14.04.3

31.*

31.0+build1-0ubuntu0.14.04.1

32.*

32.0+build1-0ubuntu0.14.04.1
32.0.3+build1-0ubuntu0.14.04.1

33.*

33.0+build2-0ubuntu0.14.04.1

34.*

34.0+build2-0ubuntu0.14.04.1

35.*

35.0+build3-0ubuntu0.14.04.2
35.0.1+build1-0ubuntu0.14.04.1

36.*

36.0+build2-0ubuntu0.14.04.4
36.0.1+build2-0ubuntu0.14.04.1
36.0.4+build1-0ubuntu0.14.04.1

37.*

37.0+build2-0ubuntu0.14.04.1
37.0.1+build1-0ubuntu0.14.04.1
37.0.2+build1-0ubuntu0.14.04.1

38.*

38.0+build3-0ubuntu0.14.04.1

39.*

39.0+build5-0ubuntu0.14.04.1
39.0.3+build2-0ubuntu0.14.04.1

40.*

40.0+build4-0ubuntu0.14.04.1
40.0+build4-0ubuntu0.14.04.4
40.0.3+build1-0ubuntu0.14.04.1

41.*

41.0+build3-0ubuntu0.14.04.1
41.0.1+build2-0ubuntu0.14.04.1
41.0.2+build2-0ubuntu0.14.04.1

42.*

42.0+build2-0ubuntu0.14.04.1

43.*

43.0+build1-0ubuntu0.14.04.1
43.0.4+build3-0ubuntu0.14.04.1

44.*

44.0+build3-0ubuntu0.14.04.1
44.0.1+build2-0ubuntu0.14.04.1
44.0.2+build1-0ubuntu0.14.04.1

45.*

45.0+build2-0ubuntu0.14.04.1
45.0.1+build1-0ubuntu0.14.04.2
45.0.2+build1-0ubuntu0.14.04.1

46.*

46.0+build5-0ubuntu0.14.04.2
46.0.1+build1-0ubuntu0.14.04.3

47.*

47.0+build3-0ubuntu0.14.04.1

48.*

48.0+build2-0ubuntu0.14.04.1

49.*

49.0+build4-0ubuntu0.14.04.1
49.0.2+build2-0ubuntu0.14.04.1

50.*

50.0+build2-0ubuntu0.14.04.2
50.0.2+build1-0ubuntu0.14.04.1
50.1.0+build2-0ubuntu0.14.04.1

51.*

51.0.1+build2-0ubuntu0.14.04.1
51.0.1+build2-0ubuntu0.14.04.2

52.*

52.0+build2-0ubuntu0.14.04.1
52.0.1+build2-0ubuntu0.14.04.1
52.0.2+build1-0ubuntu0.14.04.1

53.*

53.0+build6-0ubuntu0.14.04.1
53.0.2+build1-0ubuntu0.14.04.2
53.0.3+build1-0ubuntu0.14.04.2

54.*

54.0+build3-0ubuntu0.14.04.1

55.*

55.0.1+build2-0ubuntu0.14.04.2
55.0.2+build1-0ubuntu0.14.04.1

56.*

56.0+build6-0ubuntu0.14.04.1
56.0+build6-0ubuntu0.14.04.2

57.*

57.0+build4-0ubuntu0.14.04.4
57.0+build4-0ubuntu0.14.04.5
57.0.1+build2-0ubuntu0.14.04.1
57.0.3+build1-0ubuntu0.14.04.1
57.0.4+build1-0ubuntu0.14.04.1

58.*

58.0+build6-0ubuntu0.14.04.1
58.0.1+build1-0ubuntu0.14.04.1
58.0.2+build1-0ubuntu0.14.04.1

59.*

59.0+build5-0ubuntu0.14.04.1
59.0.1+build1-0ubuntu0.14.04.1
59.0.2+build1-0ubuntu0.14.04.1
59.0.2+build1-0ubuntu0.14.04.4

60.*

60.0+build2-0ubuntu0.14.04.1
60.0.1+build2-0ubuntu0.14.04.1
60.0.2+build1-0ubuntu0.14.04.1

61.*

61.0+build3-0ubuntu0.14.04.2
61.0.1+build1-0ubuntu0.14.04.1

62.*

62.0+build2-0ubuntu0.14.04.3
62.0+build2-0ubuntu0.14.04.4
62.0+build2-0ubuntu0.14.04.5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "firefox",
            "binary_version": "62.0.3+build1-0ubuntu0.14.04.2"
        },
        {
            "binary_name": "firefox-dev",
            "binary_version": "62.0.3+build1-0ubuntu0.14.04.2"
        },
        {
            "binary_name": "firefox-globalmenu",
            "binary_version": "62.0.3+build1-0ubuntu0.14.04.2"
        },
        {
            "binary_name": "firefox-mozsymbols",
            "binary_version": "62.0.3+build1-0ubuntu0.14.04.2"
        },
        {
            "binary_name": "firefox-testsuite",
            "binary_version": "62.0.3+build1-0ubuntu0.14.04.2"
        }
    ],
    "availability": "No subscription required"
}

thunderbird

Package

Name
thunderbird
Purl
pkg:deb/ubuntu/thunderbird@1:60.4.0+build2-0ubuntu0.14.04.1?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:60.4.0+build2-0ubuntu0.14.04.1

Affected versions

1:24.*

1:24.0+build1-0ubuntu1
1:24.0+build1-0ubuntu2
1:24.1.1+build1-0ubuntu0.13.10.1
1:24.1.1+build1-0ubuntu1
1:24.2.0+build1-0ubuntu1
1:24.4.0+build1-0ubuntu1
1:24.5.0+build1-0ubuntu0.14.04.1
1:24.6.0+build1-0ubuntu0.14.04.1

1:31.*

1:31.0+build1-0ubuntu0.14.04.1
1:31.1.1+build1-0ubuntu0.14.04.1
1:31.1.2+build1-0ubuntu0.14.04.1
1:31.2.0+build2-0ubuntu0.14.04.1
1:31.3.0+build1-0ubuntu0.14.04.1
1:31.4.0+build1-0ubuntu0.14.04.1
1:31.5.0+build1-0ubuntu0.14.04.1
1:31.6.0+build1-0ubuntu0.14.04.1
1:31.7.0+build1-0ubuntu0.14.04.1
1:31.8.0+build1-0ubuntu0.14.04.1

1:38.*

1:38.2.0+build1-0ubuntu0.14.04.1
1:38.3.0+build1-0ubuntu0.14.04.1
1:38.4.0+build3-0ubuntu0.14.04.1
1:38.5.1+build2-0ubuntu0.14.04.1
1:38.6.0+build1-0ubuntu0.14.04.1
1:38.7.2+build1-0ubuntu0.14.04.1
1:38.8.0+build1-0ubuntu0.14.04.1

1:45.*

1:45.2.0+build1-0ubuntu0.14.04.3
1:45.3.0+build1-0ubuntu0.14.04.4
1:45.4.0+build1-0ubuntu0.14.04.1
1:45.5.1+build1-0ubuntu0.14.04.1
1:45.7.0+build1-0ubuntu0.14.04.1
1:45.8.0+build1-0ubuntu0.14.04.1

1:52.*

1:52.1.1+build1-0ubuntu0.14.04.1
1:52.2.1+build1-0ubuntu0.14.04.1
1:52.3.0+build1-0ubuntu0.14.04.1
1:52.4.0+build1-0ubuntu0.14.04.2
1:52.5.0+build1-0ubuntu0.14.04.1
1:52.6.0+build1-0ubuntu0.14.04.1
1:52.7.0+build1-0ubuntu0.14.04.1
1:52.8.0+build1-0ubuntu0.14.04.1
1:52.9.1+build3-0ubuntu0.14.04.1

1:60.*

1:60.2.1+build1-0ubuntu0.14.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "thunderbird",
            "binary_version": "1:60.4.0+build2-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "thunderbird-dev",
            "binary_version": "1:60.4.0+build2-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "thunderbird-globalmenu",
            "binary_version": "1:60.4.0+build2-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "thunderbird-gnome-support",
            "binary_version": "1:60.4.0+build2-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "thunderbird-mozsymbols",
            "binary_version": "1:60.4.0+build2-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "thunderbird-testsuite",
            "binary_version": "1:60.4.0+build2-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "xul-ext-calendar-timezones",
            "binary_version": "1:60.4.0+build2-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "xul-ext-gdata-provider",
            "binary_version": "1:60.4.0+build2-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "xul-ext-lightning",
            "binary_version": "1:60.4.0+build2-0ubuntu0.14.04.1"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:16.04:LTS

firefox

Package

Name
firefox
Purl
pkg:deb/ubuntu/firefox@62.0.3+build1-0ubuntu0.16.04.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
62.0.3+build1-0ubuntu0.16.04.2

Affected versions

41.*

41.0.2+build2-0ubuntu1

42.*

42.0+build2-0ubuntu1

44.*

44.0+build3-0ubuntu2
44.0.1+build1-0ubuntu1
44.0.2+build1-0ubuntu1

45.*

45.0+build2-0ubuntu1
45.0.1+build1-0ubuntu1
45.0.2+build1-0ubuntu1

46.*

46.0+build5-0ubuntu0.16.04.2
46.0.1+build1-0ubuntu0.16.04.2

47.*

47.0+build3-0ubuntu0.16.04.1

48.*

48.0+build2-0ubuntu0.16.04.1

49.*

49.0+build4-0ubuntu0.16.04.1
49.0.2+build2-0ubuntu0.16.04.2

50.*

50.0+build2-0ubuntu0.16.04.2
50.0.2+build1-0ubuntu0.16.04.1
50.1.0+build2-0ubuntu0.16.04.1

51.*

51.0.1+build2-0ubuntu0.16.04.1
51.0.1+build2-0ubuntu0.16.04.2

52.*

52.0+build2-0ubuntu0.16.04.1
52.0.1+build2-0ubuntu0.16.04.1
52.0.2+build1-0ubuntu0.16.04.1

53.*

53.0+build6-0ubuntu0.16.04.1
53.0.2+build1-0ubuntu0.16.04.2
53.0.3+build1-0ubuntu0.16.04.2

54.*

54.0+build3-0ubuntu0.16.04.1

55.*

55.0.1+build2-0ubuntu0.16.04.2
55.0.2+build1-0ubuntu0.16.04.1

56.*

56.0+build6-0ubuntu0.16.04.1
56.0+build6-0ubuntu0.16.04.2

57.*

57.0+build4-0ubuntu0.16.04.5
57.0+build4-0ubuntu0.16.04.6
57.0.1+build2-0ubuntu0.16.04.1
57.0.3+build1-0ubuntu0.16.04.1
57.0.4+build1-0ubuntu0.16.04.1

58.*

58.0+build6-0ubuntu0.16.04.1
58.0.1+build1-0ubuntu0.16.04.1
58.0.2+build1-0ubuntu0.16.04.1

59.*

59.0+build5-0ubuntu0.16.04.1
59.0.1+build1-0ubuntu0.16.04.1
59.0.2+build1-0ubuntu0.16.04.1
59.0.2+build1-0ubuntu0.16.04.3

60.*

60.0+build2-0ubuntu0.16.04.1
60.0.1+build2-0ubuntu0.16.04.1
60.0.2+build1-0ubuntu0.16.04.1

61.*

61.0+build3-0ubuntu0.16.04.2
61.0.1+build1-0ubuntu0.16.04.1

62.*

62.0+build2-0ubuntu0.16.04.3
62.0+build2-0ubuntu0.16.04.4
62.0+build2-0ubuntu0.16.04.5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "firefox",
            "binary_version": "62.0.3+build1-0ubuntu0.16.04.2"
        },
        {
            "binary_name": "firefox-dev",
            "binary_version": "62.0.3+build1-0ubuntu0.16.04.2"
        },
        {
            "binary_name": "firefox-globalmenu",
            "binary_version": "62.0.3+build1-0ubuntu0.16.04.2"
        },
        {
            "binary_name": "firefox-mozsymbols",
            "binary_version": "62.0.3+build1-0ubuntu0.16.04.2"
        },
        {
            "binary_name": "firefox-testsuite",
            "binary_version": "62.0.3+build1-0ubuntu0.16.04.2"
        }
    ],
    "availability": "No subscription required"
}

thunderbird

Package

Name
thunderbird
Purl
pkg:deb/ubuntu/thunderbird@1:60.4.0+build2-0ubuntu0.16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:60.4.0+build2-0ubuntu0.16.04.1

Affected versions

1:38.*

1:38.3.0+build1-0ubuntu2
1:38.5.1+build2-0ubuntu1
1:38.6.0+build1-0ubuntu1
1:38.7.2+build1-0ubuntu0.16.04.1
1:38.8.0+build1-0ubuntu0.16.04.1

1:45.*

1:45.2.0+build1-0ubuntu0.16.04.1
1:45.3.0+build1-0ubuntu0.16.04.2
1:45.4.0+build1-0ubuntu0.16.04.1
1:45.5.1+build1-0ubuntu0.16.04.1
1:45.7.0+build1-0ubuntu0.16.04.1
1:45.8.0+build1-0ubuntu0.16.04.1

1:52.*

1:52.1.1+build1-0ubuntu0.16.04.1
1:52.2.1+build1-0ubuntu0.16.04.1
1:52.3.0+build1-0ubuntu0.16.04.1
1:52.4.0+build1-0ubuntu0.16.04.2
1:52.5.0+build1-0ubuntu0.16.04.1
1:52.6.0+build1-0ubuntu0.16.04.1
1:52.7.0+build1-0ubuntu0.16.04.1
1:52.8.0+build1-0ubuntu0.16.04.1
1:52.9.1+build3-0ubuntu0.16.04.1

1:60.*

1:60.2.1+build1-0ubuntu0.16.04.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "thunderbird",
            "binary_version": "1:60.4.0+build2-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "thunderbird-dev",
            "binary_version": "1:60.4.0+build2-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "thunderbird-globalmenu",
            "binary_version": "1:60.4.0+build2-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "thunderbird-gnome-support",
            "binary_version": "1:60.4.0+build2-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "thunderbird-mozsymbols",
            "binary_version": "1:60.4.0+build2-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "thunderbird-testsuite",
            "binary_version": "1:60.4.0+build2-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "xul-ext-calendar-timezones",
            "binary_version": "1:60.4.0+build2-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "xul-ext-gdata-provider",
            "binary_version": "1:60.4.0+build2-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "xul-ext-lightning",
            "binary_version": "1:60.4.0+build2-0ubuntu0.16.04.1"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS

firefox

Package

Name
firefox
Purl
pkg:deb/ubuntu/firefox@62.0.3+build1-0ubuntu0.18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
62.0.3+build1-0ubuntu0.18.04.1

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "firefox",
            "binary_version": "62.0.3+build1-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "firefox-dev",
            "binary_version": "62.0.3+build1-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "firefox-globalmenu",
            "binary_version": "62.0.3+build1-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "firefox-mozsymbols",
            "binary_version": "62.0.3+build1-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "firefox-testsuite",
            "binary_version": "62.0.3+build1-0ubuntu0.18.04.1"
        }
    ],
    "availability": "No subscription required"
}

thunderbird

Package

Name
thunderbird
Purl
pkg:deb/ubuntu/thunderbird@1:60.4.0+build2-0ubuntu0.18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1:60.4.0+build2-0ubuntu0.18.04.1

Affected versions

1:52.*

1:52.4.0+build1-0ubuntu2
1:52.6.0+build1-0ubuntu1
1:52.7.0+build1-0ubuntu1
1:52.8.0+build1-0ubuntu0.18.04.1
1:52.9.1+build3-0ubuntu0.18.04.1

1:60.*

1:60.2.1+build1-0ubuntu0.18.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "thunderbird",
            "binary_version": "1:60.4.0+build2-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "thunderbird-dev",
            "binary_version": "1:60.4.0+build2-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "thunderbird-globalmenu",
            "binary_version": "1:60.4.0+build2-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "thunderbird-gnome-support",
            "binary_version": "1:60.4.0+build2-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "thunderbird-mozsymbols",
            "binary_version": "1:60.4.0+build2-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "thunderbird-testsuite",
            "binary_version": "1:60.4.0+build2-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "xul-ext-calendar-timezones",
            "binary_version": "1:60.4.0+build2-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "xul-ext-gdata-provider",
            "binary_version": "1:60.4.0+build2-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "xul-ext-lightning",
            "binary_version": "1:60.4.0+build2-0ubuntu0.18.04.1"
        }
    ],
    "availability": "No subscription required"
}

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_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"
        }
    ]
}

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

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