First published: Tue Feb 12 2019(Updated: )
A flaw was found in Firefox version 65. Cross-origin images can be read from a canvas element in violation of the same-origin policy using the transferFromImageBitmap method. Note: This only affects Firefox 65. Previous versions are unaffected. Upstream Bug: <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1526218">https://bugzilla.mozilla.org/show_bug.cgi?id=1526218</a> External References: <a href="https://www.mozilla.org/en-US/security/advisories/mfsa2019-04/#CVE-2018-18511">https://www.mozilla.org/en-US/security/advisories/mfsa2019-04/#CVE-2018-18511</a>
Credit: security@mozilla.org security@mozilla.org
Affected Software | Affected Version | How to fix |
---|---|---|
Mozilla Firefox ESR | <60.7 | 60.7 |
Mozilla Thunderbird | <60.7 | 60.7 |
redhat/firefox | <65.0.1 | 65.0.1 |
Mozilla Firefox | <65.0.1 | 65.0.1 |
Mozilla Firefox | =65.0 | |
debian/firefox | 133.0.3-1 | |
debian/firefox-esr | 115.14.0esr-1~deb11u1 128.5.0esr-1~deb11u1 128.3.1esr-1~deb12u1 128.5.0esr-1~deb12u1 128.5.0esr-1 128.5.1esr-1 | |
debian/thunderbird | 1:115.12.0-1~deb11u1 1:128.5.0esr-1~deb11u1 1:115.16.0esr-1~deb12u1 1:128.5.0esr-1~deb12u1 1:128.5.2esr-1 |
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(Found alongside the following vulnerabilities)
The vulnerability ID is CVE-2018-18511.
The severity of CVE-2018-18511 is high with a severity value of 4.3.
CVE-2018-18511 affects Firefox versions < 65.0.1 and Thunderbird versions < 60.7.
CVE-2018-18511 allows cross-origin images to be read from a canvas element, violating the same-origin policy.
To fix CVE-2018-18511, update Firefox to version 65.0.1 or later, or update Thunderbird to version 60.7 or later.