CVE-2022-46880: Use After Free

Published Sep 20, 2022
·
Updated

A missing check related to tex units could have led to a use-after-free and potentially exploitable crash.

Affected Software

21 affected componentsFixes available
Mozilla Thunderbird<102.6
102.6
Mozilla Firefox<105.0
Mozilla Firefox ESR<102.6
Mozilla Thunderbird<102.6
Mozilla Firefox<105
105
Mozilla Firefox ESR<102.6
102.6
alpine/firefox-esr<102.6.0-r0
102.6.0-r0
alpine/firefox-esr<102.6.0-r0
102.6.0-r0
alpine/firefox-esr<102.6.0-r0
102.6.0-r0
alpine/firefox-esr<102.6.0-r0
102.6.0-r0
alpine/firefox-esr<102.6.0-r0
102.6.0-r0
alpine/firefox-esr<102.6.0-r0
102.6.0-r0
debian/firefox-esr<102.6.0esr-1
102.6.0esr-1
debian/firefox-esr<102.6.0esr-1
102.6.0esr-1
debian/firefox-esr<102.6.0esr-1
102.6.0esr-1
debian/thunderbird<1:102.6.0-1
1:102.6.0-1
debian/thunderbird<1:102.6.0-1
1:102.6.0-1
debian/thunderbird<1:102.6.0-1
1:102.6.0-1
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 102.6
  2. Upgrade

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

    Fixed in 105
  3. Upgrade

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

    Fixed in 102.6
  4. Upgrade

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

    Fixed in 102.6.0-r0
  5. Upgrade

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

    Fixed in 102.6.0esr-1
  6. Upgrade

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

    Fixed in 1:102.6.0-1
  7. Upgrade

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

    Fixed in 159.0.1-1
  8. 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
  9. 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

Sep 20, 2022
CVE Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Dec 22, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via NVD·08:15 PM
DescriptionSeverityWeaknessAffected Software
Data Sourced
via OSV·08:15 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2022-46880?

The severity of CVE-2022-46880 is high with a CVSS score of 6.5.

2

Which products are affected by CVE-2022-46880?

CVE-2022-46880 affects Mozilla Thunderbird, Mozilla Firefox, and Mozilla Firefox ESR.

3

What is the potential impact of CVE-2022-46880?

CVE-2022-46880 could lead to a use-after-free vulnerability, potentially causing a crash and exploitation.

4

What is the remedy for CVE-2022-46880?

The remedy for CVE-2022-46880 is to update to the fixed versions of Mozilla Thunderbird 102.6, Mozilla Firefox 105, or Mozilla Firefox ESR 102.6.

5

Where can I find more information about CVE-2022-46880?

You can find more information about CVE-2022-46880 in the Mozilla Security Advisory MFSA2022-53 and MFSA2022-40.

Contact

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