CVE-2024-4767: Medium severity Mozilla Thunderbird vulnerability

Published May 14, 2024
·
Updated

If the browser.privatebrowsing.autostart preference is enabled, IndexedDB files were not properly deleted when the window was closed. This preference is disabled by default in Firefox.

External Reference: https://www.mozilla.org/en-US/security/advisories/mfsa2024-22/#CVE-2024-4767

Other sources

If the browser.privatebrowsing.autostart preference is enabled, IndexedDB files were not properly deleted when the window was closed. This preference is disabled by default in Firefox. This vulnerability affects Firefox < 126, Firefox ESR < 115.11, and Thunderbird < 115.11.

— Launchpad

If the browser.privatebrowsing.autostart preference is enabled, IndexedDB files were not properly deleted when the window was closed. This preference is disabled by default in Firefox.

— Mozilla

If the browser.privatebrowsing.autostart preference is enabled, IndexedDB files were not properly deleted when the window was closed. This preference is disabled by default in Thunderbird.

— Mozilla

Affected Software

12 affected componentsFixes available
redhat/firefox<115.11
115.11
redhat/thunderbird<115.11
115.11
debian/firefox
130.0.1-1
debian/firefox-esr
115.14.0esr-1~deb11u1115.15.0esr-1~deb11u1115.14.0esr-1~deb12u1115.15.0esr-1~deb12u1115.15.0esr-1
debian/thunderbird
1:115.12.0-1~deb11u11:115.15.0-1~deb11u11:115.12.0-1~deb12u11:115.15.0-1~deb12u11:128.2.0esr-11:128.2.1esr-1
Mozilla Thunderbird<115.11
115.11
Mozilla Firefox<126
126
Mozilla Firefox ESR<115.11
115.11
Mozilla Firefox<115.11.0
Mozilla Firefox<126.0
Mozilla Thunderbird<115.11.0
Debian Debian Linux=10.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 130.0.1-1
  2. Upgrade

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

    Fixed in 115.14.0esr-1~deb11u1Fixed in 115.15.0esr-1~deb11u1Fixed in 115.14.0esr-1~deb12u1Fixed in 115.15.0esr-1~deb12u1Fixed in 115.15.0esr-1
  3. Upgrade

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

    Fixed in 1:115.12.0-1~deb11u1Fixed in 1:115.15.0-1~deb11u1Fixed in 1:115.12.0-1~deb12u1Fixed in 1:115.15.0-1~deb12u1Fixed in 1:128.2.0esr-1Fixed in 1:128.2.1esr-1
  4. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 115.11
  5. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 126
  6. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 115.11
  7. Upgrade

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

    Fixed in 115.11
  8. Upgrade

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

    Fixed in 115.11
  9. Upgrade

    Upgrade Mozilla Firefox to a version that resolves this vulnerability.

    Fixed in 126
  10. Upgrade

    Upgrade Mozilla Firefox ESR to a version that resolves this vulnerability.

    Fixed in 115.11
  11. Upgrade

    Upgrade Mozilla Thunderbird to a version that resolves this vulnerability.

    Fixed in 115.11
  12. Configuration

    Ensure the preference browser.privatebrowsing.autostart is disabled so IndexedDB files are properly deleted on window close.

    Firefox/Thunderbird browser.privatebrowsing.autostart = false

Event History

May 14, 2024
CVE Published
via Mozilla·12:00 AM
CVE Published
via MITRE·05:21 PM
Data Sourced
via MITRE·05:21 PM
DescriptionWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverity
Data Sourced
via NVD·06:15 PM
WeaknessAffected Software
Data Sourced
via Red Hat·06:37 PM
DescriptionSeverityAffected Software
Jun 30, 2024
Data Sourced
via Launchpad·08:05 AM
Description
Sep 14, 2024
Data Sourced
via Ubuntu·08:16 AM
RemedyDescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2024-4767?

CVE-2024-4767 has a moderate severity rating due to the potential risk of unauthorized access to IndexedDB files.

2

How do I fix CVE-2024-4767?

To mitigate CVE-2024-4767, update your Firefox or Thunderbird to versions 115.11 or above.

3

Which software is affected by CVE-2024-4767?

CVE-2024-4767 affects Mozilla Firefox ESR prior to 115.11, Mozilla Thunderbird prior to 115.11, and regular Firefox prior to version 126.

4

Does enabling private browsing in Firefox trigger CVE-2024-4767?

Yes, if 'browser.privatebrowsing.autostart' is enabled, CVE-2024-4767 can lead to IndexedDB files not being deleted properly.

5

Is CVE-2024-4767 a critical vulnerability?

CVE-2024-4767 is not considered critical, but it poses a security risk if sensitive data remains accessible after a private browsing session.

Company

Resources

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