UBUNTU-CVE-2018-12396

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2018-12396
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-12396.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-12396
Upstream
Downstream
Related
Published
2018-10-24T00:00:00Z
Modified
2025-09-08T16:44:54Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A vulnerability where a WebExtension can run content scripts in disallowed contexts following navigation or other events. This allows for potential privilege escalation by the WebExtension on sites where content scripts should not be run. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.

References

Affected packages

Ubuntu:14.04:LTS / firefox

Package

Name
firefox
Purl
pkg:deb/ubuntu/firefox@63.0+build2-0ubuntu0.14.04.2?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
63.0+build2-0ubuntu0.14.04.2

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
62.0.3+build1-0ubuntu0.14.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "firefox",
            "binary_version": "63.0+build2-0ubuntu0.14.04.2"
        },
        {
            "binary_name": "firefox-dev",
            "binary_version": "63.0+build2-0ubuntu0.14.04.2"
        },
        {
            "binary_name": "firefox-globalmenu",
            "binary_version": "63.0+build2-0ubuntu0.14.04.2"
        },
        {
            "binary_name": "firefox-mozsymbols",
            "binary_version": "63.0+build2-0ubuntu0.14.04.2"
        },
        {
            "binary_name": "firefox-testsuite",
            "binary_version": "63.0+build2-0ubuntu0.14.04.2"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:16.04:LTS / firefox

Package

Name
firefox
Purl
pkg:deb/ubuntu/firefox@63.0+build2-0ubuntu0.16.04.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
63.0+build2-0ubuntu0.16.04.2

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
62.0.3+build1-0ubuntu0.16.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "firefox",
            "binary_version": "63.0+build2-0ubuntu0.16.04.2"
        },
        {
            "binary_name": "firefox-dev",
            "binary_version": "63.0+build2-0ubuntu0.16.04.2"
        },
        {
            "binary_name": "firefox-globalmenu",
            "binary_version": "63.0+build2-0ubuntu0.16.04.2"
        },
        {
            "binary_name": "firefox-mozsymbols",
            "binary_version": "63.0+build2-0ubuntu0.16.04.2"
        },
        {
            "binary_name": "firefox-testsuite",
            "binary_version": "63.0+build2-0ubuntu0.16.04.2"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / firefox

Package

Name
firefox
Purl
pkg:deb/ubuntu/firefox@63.0+build2-0ubuntu0.18.04.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
63.0+build2-0ubuntu0.18.04.2

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

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "firefox",
            "binary_version": "63.0+build2-0ubuntu0.18.04.2"
        },
        {
            "binary_name": "firefox-dev",
            "binary_version": "63.0+build2-0ubuntu0.18.04.2"
        },
        {
            "binary_name": "firefox-globalmenu",
            "binary_version": "63.0+build2-0ubuntu0.18.04.2"
        },
        {
            "binary_name": "firefox-mozsymbols",
            "binary_version": "63.0+build2-0ubuntu0.18.04.2"
        },
        {
            "binary_name": "firefox-testsuite",
            "binary_version": "63.0+build2-0ubuntu0.18.04.2"
        }
    ],
    "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"
        }
    ]
}

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_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"
        }
    ]
}