UBUNTU-CVE-2021-21775

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2021-21775
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-21775.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2021-21775
Related
Published
2021-07-07T22:15:00Z
Modified
2025-06-03T17:35:24Z
Severity
  • 8.0 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
  • 6.8 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L CVSS Calculator
Summary
[none]
Details

A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.

References

Affected packages

Ubuntu:Pro:16.04:LTS / qtwebkit-opensource-src

Package

Name
qtwebkit-opensource-src
Purl
pkg:deb/ubuntu/qtwebkit-opensource-src@5.5.1+dfsg-2ubuntu1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.4.2+dfsg-1ubuntu2.1
5.5.1+dfsg-2ubuntu1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:16.04:LTS / webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:deb/ubuntu/webkit2gtk@2.20.5-0ubuntu0.16.04.1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.8.5+dfsg1-3
2.10.3+dfsg1-1
2.10.4+dfsg1-1
2.10.5-1
2.10.6-1
2.10.6-1ubuntu1
2.10.8-1ubuntu1
2.10.9-1ubuntu1
2.12.5-0ubuntu0.16.04.1
2.14.2-0ubuntu0.16.04.1
2.14.3-0ubuntu0.16.04.1
2.14.5-0ubuntu0.16.04.1
2.16.1-0ubuntu0.16.04.1
2.16.1-0ubuntu0.16.04.2
2.16.2-0ubuntu0.16.04.1
2.16.3-0ubuntu0.16.04.1
2.16.6-0ubuntu0.16.04.1
2.18.0-0ubuntu0.16.04.2
2.18.3-0ubuntu0.16.04.1
2.18.4-0ubuntu0.16.04.1
2.18.5-0ubuntu0.16.04.1
2.18.6-0ubuntu0.16.04.1
2.20.1-0ubuntu0.16.04.1
2.20.2-0ubuntu0.16.04.1
2.20.3-0ubuntu0.16.04.1
2.20.5-0ubuntu0.16.04.1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:16.04:LTS / qtwebkit-source

Package

Name
qtwebkit-source
Purl
pkg:deb/ubuntu/qtwebkit-source@2.3.2-0ubuntu11?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.3.2-0ubuntu10
2.3.2-0ubuntu11

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:16.04:LTS / webkitgtk

Package

Name
webkitgtk
Purl
pkg:deb/ubuntu/webkitgtk@2.4.11-0ubuntu0.1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.4.9-2ubuntu2
2.4.10-0ubuntu1
2.4.11-0ubuntu0.1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:18.04:LTS / webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:deb/ubuntu/webkit2gtk@2.32.3-0ubuntu0.18.04.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.32.3-0ubuntu0.18.04.1

Affected versions

2.*

2.18.0-2
2.18.0-2build1
2.18.2-1
2.18.3-1
2.18.4-1
2.18.6-1
2.19.91-1ubuntu1
2.19.92-1
2.20.0-1
2.20.0-2
2.20.0-2ubuntu1
2.20.1-1
2.20.2-0ubuntu0.18.04.1
2.20.3-0ubuntu0.18.04.1
2.20.5-0ubuntu0.18.04.1
2.22.2-0ubuntu0.18.04.1
2.22.2-0ubuntu0.18.04.2
2.22.4-0ubuntu0.18.04.1
2.22.5-0ubuntu0.18.04.1
2.22.6-0ubuntu0.18.04.1
2.24.1-0ubuntu0.18.04.1
2.24.2-0ubuntu0.18.04.1
2.24.4-0ubuntu0.18.04.1
2.26.1-0ubuntu0.18.04.1
2.26.2-0ubuntu0.18.04.1
2.26.3-0ubuntu0.18.04.1
2.26.4-0ubuntu0.18.04.1
2.28.0-0ubuntu0.18.04.3
2.28.1-0ubuntu0.18.04.1
2.28.2-0ubuntu0.18.04.1
2.28.3-0ubuntu0.18.04.1
2.28.4-0ubuntu0.18.04.1
2.30.3-0ubuntu0.18.04.1
2.30.5-0ubuntu0.18.04.1
2.30.6-0ubuntu0.18.04.1
2.32.0-0ubuntu0.18.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gir1.2-javascriptcoregtk-4.0",
            "binary_version": "2.32.3-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "gir1.2-webkit2-4.0",
            "binary_version": "2.32.3-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libjavascriptcoregtk-4.0-18",
            "binary_version": "2.32.3-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libjavascriptcoregtk-4.0-18-dbgsym",
            "binary_version": "2.32.3-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libjavascriptcoregtk-4.0-bin",
            "binary_version": "2.32.3-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libjavascriptcoregtk-4.0-bin-dbgsym",
            "binary_version": "2.32.3-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libjavascriptcoregtk-4.0-dev",
            "binary_version": "2.32.3-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libwebkit2gtk-4.0-37",
            "binary_version": "2.32.3-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libwebkit2gtk-4.0-37-dbgsym",
            "binary_version": "2.32.3-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libwebkit2gtk-4.0-37-gtk2",
            "binary_version": "2.32.3-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libwebkit2gtk-4.0-dev",
            "binary_version": "2.32.3-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "libwebkit2gtk-4.0-doc",
            "binary_version": "2.32.3-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "webkit2gtk-driver",
            "binary_version": "2.32.3-0ubuntu0.18.04.1"
        },
        {
            "binary_name": "webkit2gtk-driver-dbgsym",
            "binary_version": "2.32.3-0ubuntu0.18.04.1"
        }
    ],
    "ubuntu_priority": "medium",
    "availability": "No subscription required"
}

Ubuntu:Pro:18.04:LTS / qtwebkit-opensource-src

Package

Name
qtwebkit-opensource-src
Purl
pkg:deb/ubuntu/qtwebkit-opensource-src@5.212.0~alpha2-7ubuntu1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.9.1+dfsg-5ubuntu1
5.9.1+dfsg-5ubuntu3
5.212.0~alpha2-5build2
5.212.0~alpha2-5build4
5.212.0~alpha2-7
5.212.0~alpha2-7build2
5.212.0~alpha2-7ubuntu1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:18.04:LTS / qtwebkit-source

Package

Name
qtwebkit-source
Purl
pkg:deb/ubuntu/qtwebkit-source@2.3.2-0ubuntu13?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.3.2-0ubuntu13

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:18.04:LTS / webkitgtk

Package

Name
webkitgtk
Purl
pkg:deb/ubuntu/webkitgtk@2.4.11-3ubuntu3?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.4.11-3
2.4.11-3ubuntu2
2.4.11-3ubuntu3

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:20.04:LTS / webkit2gtk

Package

Name
webkit2gtk
Purl
pkg:deb/ubuntu/webkit2gtk@2.32.3-0ubuntu0.20.04.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.32.3-0ubuntu0.20.04.1

Affected versions

2.*

2.26.1-3
2.26.2-1
2.26.3-1ubuntu2
2.26.4-1ubuntu1
2.28.0-1ubuntu2
2.28.1-1
2.28.2-0ubuntu0.20.04.1
2.28.3-0ubuntu0.20.04.1
2.28.4-0ubuntu0.20.04.1
2.30.3-0ubuntu0.20.04.1
2.30.5-0ubuntu0.20.04.1
2.30.6-0ubuntu0.20.04.1
2.32.0-0ubuntu0.20.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gir1.2-javascriptcoregtk-4.0",
            "binary_version": "2.32.3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "gir1.2-webkit2-4.0",
            "binary_version": "2.32.3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libjavascriptcoregtk-4.0-18",
            "binary_version": "2.32.3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libjavascriptcoregtk-4.0-18-dbgsym",
            "binary_version": "2.32.3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libjavascriptcoregtk-4.0-bin",
            "binary_version": "2.32.3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libjavascriptcoregtk-4.0-bin-dbgsym",
            "binary_version": "2.32.3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libjavascriptcoregtk-4.0-dev",
            "binary_version": "2.32.3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libwebkit2gtk-4.0-37",
            "binary_version": "2.32.3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libwebkit2gtk-4.0-37-dbgsym",
            "binary_version": "2.32.3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libwebkit2gtk-4.0-37-gtk2",
            "binary_version": "2.32.3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libwebkit2gtk-4.0-dev",
            "binary_version": "2.32.3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libwebkit2gtk-4.0-doc",
            "binary_version": "2.32.3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "webkit2gtk-driver",
            "binary_version": "2.32.3-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "webkit2gtk-driver-dbgsym",
            "binary_version": "2.32.3-0ubuntu0.20.04.1"
        }
    ],
    "ubuntu_priority": "medium",
    "availability": "No subscription required"
}

Ubuntu:Pro:20.04:LTS / qtwebkit-opensource-src

Package

Name
qtwebkit-opensource-src
Purl
pkg:deb/ubuntu/qtwebkit-opensource-src@5.212.0~alpha4-1ubuntu2.1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.212.0~alpha3-3
5.212.0~alpha3-5
5.212.0~alpha3-6
5.212.0~alpha3-7
5.212.0~alpha4-1
5.212.0~alpha4-1ubuntu1
5.212.0~alpha4-1ubuntu2
5.212.0~alpha4-1ubuntu2.1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:20.04:LTS / wpewebkit

Package

Name
wpewebkit
Purl
pkg:deb/ubuntu/wpewebkit@2.28.1-1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.26.3-1
2.26.4-1
2.26.4-1build1
2.28.0-1
2.28.1-1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:22.04:LTS / qtwebkit-opensource-src

Package

Name
qtwebkit-opensource-src
Purl
pkg:deb/ubuntu/qtwebkit-opensource-src@5.212.0~alpha4-15ubuntu1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.212.0~alpha4-12
5.212.0~alpha4-13
5.212.0~alpha4-14
5.212.0~alpha4-14build1
5.212.0~alpha4-14ubuntu2
5.212.0~alpha4-15ubuntu1

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:22.04:LTS / wpewebkit

Package

Name
wpewebkit
Purl
pkg:deb/ubuntu/wpewebkit@2.36.0-2ubuntu3?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.32.4-1
2.34.1-1
2.34.2-1
2.34.3-1
2.34.4-1
2.34.5-1
2.34.6-1
2.36.0-2ubuntu2
2.36.0-2ubuntu3

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}

Ubuntu:24.04:LTS / qtwebkit-opensource-src

Package

Name
qtwebkit-opensource-src
Purl
pkg:deb/ubuntu/qtwebkit-opensource-src@5.212.0~alpha4-36?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.212.0~alpha4-33
5.212.0~alpha4-33build1
5.212.0~alpha4-34
5.212.0~alpha4-34ubuntu3
5.212.0~alpha4-34ubuntu4
5.212.0~alpha4-36

Ecosystem specific 

{
    "ubuntu_priority": "medium"
}