CVE-2022-40957: Medium severity Mozilla Thunderbird vulnerability

Published Sep 20, 2022
·
Updated

Inconsistent data in instruction and data cache when creating wasm code could lead to a potentially exploitable crash.<br>This bug only affects Firefox on ARM64 platforms.. This vulnerability affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105.

Other sources

Inconsistent data in instruction and data cache when creating wasm code could lead to a potentially exploitable crash.This bug only affects Firefox on ARM64 platforms.

— Mozilla

Inconsistent data in instruction and data cache when creating wasm code could lead to a potentially exploitable crash.This bug only affects Thunderbird on ARM64 platforms.

Affected Software

21 affected componentsFixes available
Mozilla Thunderbird<102.3
102.3
Mozilla Firefox<105.0
Mozilla Firefox ESR<102.3
Mozilla Thunderbird<102.3
Mozilla Firefox ESR<102.3
102.3
Mozilla Firefox<105
105
alpine/firefox-esr<102.3.0-r0
102.3.0-r0
alpine/firefox-esr<102.3.0-r0
102.3.0-r0
alpine/firefox-esr<102.3.0-r0
102.3.0-r0
alpine/firefox-esr<102.3.0-r0
102.3.0-r0
alpine/firefox-esr<102.3.0-r0
102.3.0-r0
alpine/firefox-esr<102.3.0-r0
102.3.0-r0
debian/firefox-esr<102.3.0esr-1
102.3.0esr-1
debian/firefox-esr<102.3.0esr-1
102.3.0esr-1
debian/firefox-esr<102.3.0esr-1
102.3.0esr-1
debian/thunderbird<1:102.3.0-1
1:102.3.0-1
debian/thunderbird<1:102.3.0-1
1:102.3.0-1
debian/thunderbird<1:102.3.0-1
1:102.3.0-1
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 102.3
  2. Upgrade

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

    Fixed in 102.3
  3. Upgrade

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

    Fixed in 105
  4. Upgrade

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

    Fixed in 102.3.0-r0
  5. Upgrade

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

    Fixed in 102.3.0esr-1
  6. Upgrade

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

    Fixed in 1:102.3.0-1
  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
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 CVE-2022-40957?

CVE-2022-40957 is a vulnerability that affects Firefox ESR < 102.3, Thunderbird < 102.3, and Firefox < 105, which can lead to a potentially exploitable crash due to inconsistent data in instruction and data cache when creating wasm code.

2

Which platforms are affected by CVE-2022-40957?

Only Firefox on ARM64 platforms is affected by CVE-2022-40957.

3

What is the severity level of CVE-2022-40957?

CVE-2022-40957 has a severity level of medium with a CVSS score of 6.5.

4

How can I fix CVE-2022-40957?

To fix CVE-2022-40957, update your Firefox ESR to version 102.3 or later, Thunderbird to version 102.3 or later, or Firefox to version 105 or later.

5

Where can I find more information about CVE-2022-40957?

You can find more information about CVE-2022-40957 on the Mozilla Bugzilla page and the Mozilla Security Advisories page.

Contact

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