CVE-2018-18511: Infoleak

Published 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: https://bugzilla.mozilla.org/showbug.cgi?id=1526218

External References: https://www.mozilla.org/en-US/security/advisories/mfsa2019-04/#CVE-2018-18511

Other sources

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.. This vulnerability affects Firefox < 65.0.1.

Launchpad

Affected Software

8 affected componentsFixes available
redhat/firefox<65.0.1
65.0.1
Mozilla Thunderbird<60.7
60.7
Mozilla Firefox<65.0.1
65.0.1
Mozilla Firefox=65.0
Mozilla Firefox ESR<60.7
60.7
debian/firefox
152.0-1
debian/firefox-esr
115.14.0esr-1~deb11u1140.11.0esr-1~deb11u1140.10.2esr-1~deb12u1140.12.0esr-1~deb12u1140.10.2esr-1~deb13u1140.12.0esr-1~deb13u1140.11.0esr-1140.12.0esr-1
debian/thunderbird
1:115.12.0-1~deb11u11:140.12.0esr-1~deb11u11:140.10.1esr-1~deb12u11:140.11.0esr-1~deb12u11:140.10.1esr-1~deb13u11:140.11.0esr-1~deb13u11:140.11.0esr-11:140.12.0esr-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/firefox to a version that resolves this vulnerability.

    Fixed in 65.0.1
  2. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 60.7
  3. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 65.0.1
  4. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 60.7
  5. Upgrade

    Upgrade debian/firefox to a version that resolves this vulnerability.

    Fixed in 152.0-1
  6. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 115.14.0esr-1~deb11u1Fixed in 140.11.0esr-1~deb11u1Fixed in 140.10.2esr-1~deb12u1Fixed in 140.12.0esr-1~deb12u1Fixed in 140.10.2esr-1~deb13u1Fixed in 140.12.0esr-1~deb13u1Fixed in 140.11.0esr-1Fixed in 140.12.0esr-1
  7. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:115.12.0-1~deb11u1Fixed in 1:140.12.0esr-1~deb11u1Fixed in 1:140.10.1esr-1~deb12u1Fixed in 1:140.11.0esr-1~deb12u1Fixed in 1:140.10.1esr-1~deb13u1Fixed in 1:140.11.0esr-1~deb13u1Fixed in 1:140.11.0esr-1Fixed in 1:140.12.0esr-1
  8. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 115.14.0esr-1~deb11u1
  9. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.11.0esr-1~deb11u1
  10. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.10.2esr-1~deb12u1
  11. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.12.0esr-1~deb12u1
  12. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.10.2esr-1~deb13u1
  13. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.12.0esr-1~deb13u1
  14. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.11.0esr-1
  15. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.12.0esr-1
  16. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:115.12.0-1~deb11u1
  17. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.12.0esr-1~deb11u1
  18. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.10.1esr-1~deb12u1
  19. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.11.0esr-1~deb12u1
  20. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.10.1esr-1~deb13u1
  21. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.11.0esr-1~deb13u1
  22. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.11.0esr-1
  23. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.12.0esr-1

Event History

Feb 12, 2019
CVE Published
via Mozilla·12:00 AM
Apr 26, 2019
CVE Published
via MITRE·04:13 PM
Data Sourced
via MITRE·04:13 PM
DescriptionWeakness
Jan 11, 2024
Data Sourced
via Launchpad·10:56 PM
Description
Feb 19, 2026
Data Sourced
via Ubuntu·05:57 PM
RemedyDescriptionSeverityAffected Software
Jun 18, 2026
Data Sourced
via Debian·04:01 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID?

The vulnerability ID is CVE-2018-18511.

2

What is the severity of CVE-2018-18511?

The severity of CVE-2018-18511 is high with a severity value of 4.3.

3

Which software versions are affected by CVE-2018-18511?

CVE-2018-18511 affects Firefox versions < 65.0.1 and Thunderbird versions < 60.7.

4

What is the impact of CVE-2018-18511?

CVE-2018-18511 allows cross-origin images to be read from a canvas element, violating the same-origin policy.

5

How can I fix CVE-2018-18511?

To fix CVE-2018-18511, update Firefox to version 65.0.1 or later, or update Thunderbird to version 60.7 or later.

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