medium
5.3
CWE
346
Advisory Published
Updated

CVE-2019-9797

First published: Tue Mar 19 2019(Updated: )

Cross-origin images can be read in violation of the same-origin policy by exporting an image after using createImageBitmap to read the image and then rendering the resulting bitmap image within a canvas element. This vulnerability affects Firefox < 66.

Credit: security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Thunderbird<60.7
60.7
Mozilla Firefox ESR<60.7
60.7
Mozilla Firefox<66
66
Mozilla Firefox<66.0
ubuntu/firefox<66.0+
66.0+
ubuntu/firefox<66.0+
66.0+
ubuntu/firefox<66.0+
66.0+
ubuntu/firefox<66.0+
66.0+
ubuntu/firefox<66.0+
66.0+
ubuntu/firefox<66.0+
66.0+
ubuntu/firefox<66.0+
66.0+
ubuntu/firefox<66.0+
66.0+
ubuntu/firefox<66.0+
66.0+
ubuntu/firefox<66.0+
66.0+
ubuntu/firefox<66.0+
66.0+
ubuntu/firefox<66.0+
66.0+
ubuntu/firefox<66.0+
66.0+
ubuntu/firefox<66.0.1+
66.0.1+
ubuntu/firefox<66.0
66.0
ubuntu/firefox<66.0+
66.0+
ubuntu/thunderbird<1:60.7.0+
1:60.7.0+
ubuntu/thunderbird<1:60.7.0+
1:60.7.0+
ubuntu/thunderbird<1:60.7.0+
1:60.7.0+
ubuntu/thunderbird<1:60.7.0+
1:60.7.0+
ubuntu/thunderbird<1:60.7.0+
1:60.7.0+
ubuntu/thunderbird<1:60.7.0+
1:60.7.0+
ubuntu/thunderbird<1:60.7.0+
1:60.7.0+
ubuntu/thunderbird<1:60.7.0+
1:60.7.0+
ubuntu/thunderbird<1:60.7.0+
1:60.7.0+
ubuntu/thunderbird<1:60.7.0+
1:60.7.0+
ubuntu/thunderbird<1:60.7.0+
1:60.7.0+
ubuntu/thunderbird<1:60.7.0+
1:60.7.0+
ubuntu/thunderbird<1:60.7.0+
1:60.7.0+
ubuntu/thunderbird<60.7
60.7
ubuntu/thunderbird<1:60.7.0+
1:60.7.0+
debian/firefox
125.0.3-1
debian/firefox-esr
91.12.0esr-1~deb10u1
115.10.0esr-1~deb10u1
115.7.0esr-1~deb11u1
115.10.0esr-1~deb11u1
115.7.0esr-1~deb12u1
115.10.0esr-1~deb12u1
115.10.0esr-1
debian/thunderbird
1:91.12.0-1~deb10u1
1:115.10.1-1~deb10u1
1:115.7.0-1~deb11u1
1:115.10.1-1~deb11u1
1:115.7.0-1~deb12u1
1:115.10.1-1~deb12u1
1:115.10.1-1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2019-9797?

    CVE-2019-9797 is a vulnerability that allows cross-origin images to be read in violation of the same-origin policy.

  • Which browsers are affected by CVE-2019-9797?

    This vulnerability affects Firefox versions prior to version 66.

  • How severe is CVE-2019-9797?

    CVE-2019-9797 has a severity level of 5.3, which is considered high.

  • How can I fix CVE-2019-9797?

    To fix CVE-2019-9797, update your Firefox browser to version 66 or newer.

  • Where can I find more information about CVE-2019-9797?

    You can find more information about CVE-2019-9797 on the Mozilla website and Bugzilla.

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