CVE-2024-4777: Use After Free

Published May 14, 2024
·
Updated

Last updated 24 July 2024

Other sources

Memory safety bugs present in Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.

— 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

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
Description
Data Sourced
via NVD·06:15 PM
SeverityWeaknessAffected 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-2024-4777?

CVE-2024-4777 is classified as a memory safety bug that poses a risk of arbitrary code execution.

2

How do I fix CVE-2024-4777?

To fix CVE-2024-4777, update to Firefox 126, Firefox ESR 115.11 or later, or Thunderbird 115.11 or later.

3

What products are affected by CVE-2024-4777?

CVE-2024-4777 affects Firefox 125, Firefox ESR 115.10, and Thunderbird 115.10.

4

Is there a known exploit for CVE-2024-4777?

There is currently no public exploit for CVE-2024-4777, but its memory safety issues suggest potential for exploitation.

5

Who is the vendor for the products affected by CVE-2024-4777?

The vendor for the affected products in CVE-2024-4777 is Mozilla.

Company

Resources

Contact

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