CVE-2024-4770: Use After Free

Published May 14, 2024
·
Updated

Last updated 24 July 2024

Other sources

When saving a page to PDF, certain font styles could have led to a potential use-after-free crash.

— Mozilla

Affected Software

17 affected componentsFixes available
Mozilla Thunderbird<115.11
115.11
Mozilla Firefox ESR<115.11
115.11
redhat/firefox<115.11
115.11
redhat/thunderbird<115.11
115.11
Mozilla Firefox<115.11.0
Mozilla Firefox<126.0
Mozilla Thunderbird<115.11.0
Mozilla Firefox<126
126
debian/firefox-esr<115.11.0esr-1~deb12u1
115.11.0esr-1~deb12u1
debian/firefox-esr<115.11.0esr-1
115.11.0esr-1
debian/firefox-esr<115.11.0esr-1
115.11.0esr-1
debian/thunderbird<1:115.11.0-1~deb12u1
1:115.11.0-1~deb12u1
debian/thunderbird<1:115.11.0-1
1:115.11.0-1
debian/thunderbird<1:115.11.0-1
1:115.11.0-1
debian/firefox
159.0.1-1
debian/firefox-esr
140.12.0esr-1~deb12u1153.6.0esr-1~deb12u2140.15.0esr-1~deb13u1153.6.0esr-1~deb13u1153.5.1esr-1153.6.0esr-1
debian/thunderbird
1:140.12.0esr-1~deb12u11:153.6.0esr-1~deb12u21:140.12.0esr-1~deb13u11:153.6.0esr-1~deb13u11:153.5.0esr-11:153.6.0esr-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 115.11
  2. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 115.11
  3. Upgrade

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

    Fixed in 115.11
  4. Upgrade

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

    Fixed in 115.11
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 126
  6. Upgrade

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

    Fixed in 115.11.0esr-1~deb12u1
  7. Upgrade

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

    Fixed in 115.11.0esr-1
  8. Upgrade

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

    Fixed in 1:115.11.0-1~deb12u1
  9. Upgrade

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

    Fixed in 1:115.11.0-1
  10. Upgrade

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

    Fixed in 159.0.1-1
  11. Upgrade

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

    Fixed in 140.12.0esr-1~deb12u1Fixed in 153.6.0esr-1~deb12u2Fixed in 140.15.0esr-1~deb13u1Fixed in 153.6.0esr-1~deb13u1Fixed in 153.5.1esr-1Fixed in 153.6.0esr-1
  12. Upgrade

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

    Fixed in 1:140.12.0esr-1~deb12u1Fixed in 1:153.6.0esr-1~deb12u2Fixed in 1:140.12.0esr-1~deb13u1Fixed in 1:153.6.0esr-1~deb13u1Fixed in 1:153.5.0esr-1Fixed in 1:153.6.0esr-1

Event History

May 14, 2024
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
CVE Published
via MITRE·05:21 PM
Data Sourced
via MITRE·05:21 PM
DescriptionWeakness
Data Sourced
via NVD·06:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·06:15 PM
DescriptionSeverityAffected Software
Data Sourced
via Red Hat·06:37 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2024-4770?

CVE-2024-4770 has a medium severity rating due to the potential for a use-after-free crash when saving pages to PDF.

2

How do I fix CVE-2024-4770?

To fix CVE-2024-4770, update your Mozilla Firefox or Thunderbird to the latest version that resolves this vulnerability.

3

Which products are affected by CVE-2024-4770?

CVE-2024-4770 affects Mozilla Firefox ESR versions up to 115.11 and Mozilla Thunderbird versions up to 115.11.

4

Can CVE-2024-4770 be exploited remotely?

Yes, CVE-2024-4770 can potentially be exploited remotely through crafted PDF generation processes.

5

What happens if I don't address CVE-2024-4770?

Failing to address CVE-2024-4770 may result in application crashes and potential exposure to further exploits due to the underlying use-after-free condition.

Contact

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