UBUNTU-CVE-2016-2821

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Source
https://ubuntu.com/security/CVE-2016-2821
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-2821.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2016-2821
Upstream
Downstream
Related
Published
2016-06-08T00:00:00Z
Modified
2025-09-08T16:43:40Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Use-after-free vulnerability in the mozilla::dom::Element class in Mozilla Firefox before 47.0 and Firefox ESR 45.x before 45.2, when contenteditable mode is enabled, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) by triggering deletion of DOM elements that were created in the editor.

References

Affected packages

Ubuntu:14.04:LTS / firefox

Package

Name
firefox
Purl
pkg:deb/ubuntu/firefox@47.0+build3-0ubuntu0.14.04.1?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
47.0+build3-0ubuntu0.14.04.1

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "firefox",
            "binary_version": "47.0+build3-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "firefox-dev",
            "binary_version": "47.0+build3-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "firefox-globalmenu",
            "binary_version": "47.0+build3-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "firefox-mozsymbols",
            "binary_version": "47.0+build3-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "firefox-testsuite",
            "binary_version": "47.0+build3-0ubuntu0.14.04.1"
        }
    ]
}

Ubuntu:16.04:LTS / firefox

Package

Name
firefox
Purl
pkg:deb/ubuntu/firefox@47.0+build3-0ubuntu0.16.04.1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
47.0+build3-0ubuntu0.16.04.1

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "firefox",
            "binary_version": "47.0+build3-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "firefox-dev",
            "binary_version": "47.0+build3-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "firefox-globalmenu",
            "binary_version": "47.0+build3-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "firefox-mozsymbols",
            "binary_version": "47.0+build3-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "firefox-testsuite",
            "binary_version": "47.0+build3-0ubuntu0.16.04.1"
        }
    ]
}