UBUNTU-CVE-2018-18827

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Source

https://ubuntu.com/security/CVE-2018-18827

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18827.json

JSON Data

https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2018-18827

Upstream

CVE-2018-18827

Published

2018-10-30T06:29:00Z

Modified

2025-10-10T14:58:46Z

Severity

6.5 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

There exists a heap-based buffer over-read in ffvc1preddc in vc1block.c in Libav 12.3, which allows attackers to cause a denial-of-service via a crafted aac file.

References

Affected packages

Ubuntu:22.04:LTS

gst-libav1.0

Package

Name: gst-libav1.0
Purl: pkg:deb/ubuntu/gst-libav1.0@1.20.3-0ubuntu1?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.18.5-1

1.20.0-1

1.20.1-1

1.20.3-0ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.20.3-0ubuntu1",
            "binary_name": "gstreamer1.0-libav"
        }
    ]
}

qtwebengine-opensource-src

Package

Name: qtwebengine-opensource-src
Purl: pkg:deb/ubuntu/qtwebengine-opensource-src@5.15.9+dfsg-1?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.15.6+dfsg-1

5.15.6+dfsg-2

5.15.7+dfsg-2

5.15.8+dfsg-1

5.15.8+dfsg-1build1

5.15.8+dfsg-1build2

5.15.8+dfsg-2

5.15.9+dfsg-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "libqt5pdf5"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "libqt5pdfwidgets5"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "libqt5webengine-data"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "libqt5webengine5"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "libqt5webenginecore5"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "libqt5webenginewidgets5"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "qml-module-qtquick-pdf"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "qml-module-qtwebengine"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "qt5-image-formats-plugin-pdf"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "qtpdf5-dev"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "qtpdf5-doc-html"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "qtpdf5-examples"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "qtwebengine5-dev"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "qtwebengine5-dev-tools"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "qtwebengine5-doc-html"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "qtwebengine5-examples"
        },
        {
            "binary_version": "5.15.9+dfsg-1",
            "binary_name": "qtwebengine5-private-dev"
        }
    ]
}

Ubuntu:24.04:LTS

gst-libav1.0

Package

Name: gst-libav1.0
Purl: pkg:deb/ubuntu/gst-libav1.0@1.24.1-1build1?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.22.5-1

1.22.6-1

1.22.7-1

1.22.8-1

1.22.10-1

1.24.1-1

1.24.1-1build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.24.1-1build1",
            "binary_name": "gstreamer1.0-libav"
        }
    ]
}

qtwebengine-opensource-src

Package

Name: qtwebengine-opensource-src
Purl: pkg:deb/ubuntu/qtwebengine-opensource-src@5.15.16+dfsg-3?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.15.15+dfsg-2

5.15.15+dfsg-2build2

5.15.15+dfsg-2ubuntu1

5.15.16+dfsg-1

5.15.16+dfsg-1ubuntu2

5.15.16+dfsg-1ubuntu4

5.15.16+dfsg-3

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "libqt5pdf5"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "libqt5pdfwidgets5"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "libqt5webengine-data"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "libqt5webengine5"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "libqt5webenginecore5"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "libqt5webenginewidgets5"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "qml-module-qtquick-pdf"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "qml-module-qtwebengine"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "qt5-image-formats-plugin-pdf"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "qtpdf5-dev"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "qtpdf5-doc-html"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "qtpdf5-examples"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "qtwebengine5-dev"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "qtwebengine5-dev-tools"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "qtwebengine5-doc-html"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "qtwebengine5-examples"
        },
        {
            "binary_version": "5.15.16+dfsg-3",
            "binary_name": "qtwebengine5-private-dev"
        }
    ]
}

Ubuntu:25.04

gst-libav1.0

Package

Name: gst-libav1.0
Purl: pkg:deb/ubuntu/gst-libav1.0@1.26.0-1?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.24.8-1

1.24.9-1

1.24.10-1

1.24.11-1

1.24.12-1

1.25.50-1

1.25.90-2

1.26.0-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.26.0-1",
            "binary_name": "gstreamer1.0-libav"
        }
    ]
}

qtwebengine-opensource-src

Package

Name: qtwebengine-opensource-src
Purl: pkg:deb/ubuntu/qtwebengine-opensource-src@5.15.18+dfsg-2?arch=source&distro=plucky

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.15.17+dfsg-4

5.15.17+dfsg-5

5.15.17+dfsg2-1

5.15.17+dfsg2-2

5.15.17+dfsg2-3

5.15.18+dfsg-1

5.15.18+dfsg-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "libqt5pdf5"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "libqt5pdfwidgets5"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "libqt5webengine-data"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "libqt5webengine5"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "libqt5webenginecore5"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "libqt5webenginewidgets5"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "qml-module-qtquick-pdf"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "qml-module-qtwebengine"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "qt5-image-formats-plugin-pdf"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "qtpdf5-dev"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "qtpdf5-doc-html"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "qtpdf5-examples"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "qtwebengine5-dev"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "qtwebengine5-dev-tools"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "qtwebengine5-doc-html"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "qtwebengine5-examples"
        },
        {
            "binary_version": "5.15.18+dfsg-2",
            "binary_name": "qtwebengine5-private-dev"
        }
    ]
}

Ubuntu:25.10

gst-libav1.0

Package

Name: gst-libav1.0
Purl: pkg:deb/ubuntu/gst-libav1.0@1.26.6-1?arch=source&distro=questing

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.26.0-1

1.26.1-1

1.26.2-1

1.26.3-1

1.26.4-1

1.26.5-1

1.26.6-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.26.6-1",
            "binary_name": "gstreamer1.0-libav"
        }
    ]
}

qtwebengine-opensource-src

Package

Name: qtwebengine-opensource-src
Purl: pkg:deb/ubuntu/qtwebengine-opensource-src@5.15.19+dfsg2-1?arch=source&distro=questing

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.15.18+dfsg-2

5.15.18+dfsg-2build1

5.15.19+dfsg-1

5.15.19+dfsg2-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "libqt5pdf5"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "libqt5pdfwidgets5"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "libqt5webengine-data"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "libqt5webengine5"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "libqt5webenginecore5"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "libqt5webenginewidgets5"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "qml-module-qtquick-pdf"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "qml-module-qtwebengine"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "qt5-image-formats-plugin-pdf"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "qtpdf5-dev"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "qtpdf5-doc-html"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "qtpdf5-examples"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "qtwebengine5-dev"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "qtwebengine5-dev-tools"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "qtwebengine5-doc-html"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "qtwebengine5-examples"
        },
        {
            "binary_version": "5.15.19+dfsg2-1",
            "binary_name": "qtwebengine5-private-dev"
        }
    ]
}

Ubuntu:Pro:16.04:LTS

gst-libav1.0

Package

Name: gst-libav1.0
Purl: pkg:deb/ubuntu/gst-libav1.0@1.8.3-1ubuntu0.2?arch=source&distro=esm-apps/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.6.0-1

1.6.0-2

1.6.1-1

1.6.2-1

1.7.1-1

1.7.2-1

1.7.90-1

1.8.0-1

1.8.1-1~ubuntu1

1.8.2-1~ubuntu1

1.8.3-1ubuntu0.1

1.8.3-1ubuntu0.2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.8.3-1ubuntu0.2",
            "binary_name": "gstreamer1.0-libav"
        }
    ]
}

Ubuntu:Pro:18.04:LTS

gst-libav1.0

Package

Name: gst-libav1.0
Purl: pkg:deb/ubuntu/gst-libav1.0@1.14.5-0ubuntu1~18.04.1?arch=source&distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.12.2-1

1.12.3-1

1.12.4-1

1.13.91-1

1.14.0-1

1.14.1-1~ubuntu18.04.1

1.14.4-0ubuntu1~ubuntu18.04.1

1.14.5-0ubuntu1~18.04.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.14.5-0ubuntu1~18.04.1",
            "binary_name": "gstreamer1.0-libav"
        }
    ]
}

qtwebengine-opensource-src

Package

Name: qtwebengine-opensource-src
Purl: pkg:deb/ubuntu/qtwebengine-opensource-src@5.9.5+dfsg-0ubuntu2?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-4

5.9.1+dfsg-4ubuntu1

5.9.2+dfsg-2ubuntu1

5.9.3+dfsg-0ubuntu1

5.9.4+dfsg-0ubuntu1

5.9.5+dfsg-0ubuntu2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.9.5+dfsg-0ubuntu2",
            "binary_name": "libqt5webengine-data"
        },
        {
            "binary_version": "5.9.5+dfsg-0ubuntu2",
            "binary_name": "libqt5webengine5"
        },
        {
            "binary_version": "5.9.5+dfsg-0ubuntu2",
            "binary_name": "libqt5webenginecore5"
        },
        {
            "binary_version": "5.9.5+dfsg-0ubuntu2",
            "binary_name": "libqt5webenginewidgets5"
        },
        {
            "binary_version": "5.9.5+dfsg-0ubuntu2",
            "binary_name": "qml-module-qtwebengine"
        },
        {
            "binary_version": "5.9.5+dfsg-0ubuntu2",
            "binary_name": "qtwebengine5-dev"
        },
        {
            "binary_version": "5.9.5+dfsg-0ubuntu2",
            "binary_name": "qtwebengine5-dev-tools"
        },
        {
            "binary_version": "5.9.5+dfsg-0ubuntu2",
            "binary_name": "qtwebengine5-doc-html"
        },
        {
            "binary_version": "5.9.5+dfsg-0ubuntu2",
            "binary_name": "qtwebengine5-examples"
        },
        {
            "binary_version": "5.9.5+dfsg-0ubuntu2",
            "binary_name": "qtwebengine5-private-dev"
        }
    ]
}

Ubuntu:Pro:20.04:LTS

gst-libav1.0

Package

Name: gst-libav1.0
Purl: pkg:deb/ubuntu/gst-libav1.0@1.16.2-2?arch=source&distro=esm-apps/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.16.1-1

1.16.2-1

1.16.2-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.16.2-2",
            "binary_name": "gstreamer1.0-libav"
        }
    ]
}

qtwebengine-opensource-src

Package

Name: qtwebengine-opensource-src
Purl: pkg:deb/ubuntu/qtwebengine-opensource-src@5.12.8+dfsg-0ubuntu1.1?arch=source&distro=esm-apps/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.12.4+dfsg-1ubuntu1

5.12.4+dfsg-1ubuntu3

5.12.5+dfsg-3ubuntu1

5.12.5+dfsg-6ubuntu2

5.12.5+dfsg-7

5.12.5+dfsg-7build1

5.12.8+dfsg-0ubuntu1

5.12.8+dfsg-0ubuntu1.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "5.12.8+dfsg-0ubuntu1.1",
            "binary_name": "libqt5webengine-data"
        },
        {
            "binary_version": "5.12.8+dfsg-0ubuntu1.1",
            "binary_name": "libqt5webengine5"
        },
        {
            "binary_version": "5.12.8+dfsg-0ubuntu1.1",
            "binary_name": "libqt5webenginecore5"
        },
        {
            "binary_version": "5.12.8+dfsg-0ubuntu1.1",
            "binary_name": "libqt5webenginewidgets5"
        },
        {
            "binary_version": "5.12.8+dfsg-0ubuntu1.1",
            "binary_name": "qml-module-qtwebengine"
        },
        {
            "binary_version": "5.12.8+dfsg-0ubuntu1.1",
            "binary_name": "qtwebengine5-dev"
        },
        {
            "binary_version": "5.12.8+dfsg-0ubuntu1.1",
            "binary_name": "qtwebengine5-dev-tools"
        },
        {
            "binary_version": "5.12.8+dfsg-0ubuntu1.1",
            "binary_name": "qtwebengine5-doc-html"
        },
        {
            "binary_version": "5.12.8+dfsg-0ubuntu1.1",
            "binary_name": "qtwebengine5-examples"
        },
        {
            "binary_version": "5.12.8+dfsg-0ubuntu1.1",
            "binary_name": "qtwebengine5-private-dev"
        }
    ]
}