CVE-2022-42932: High severity Mozilla Firefox vulnerability

Published Oct 18, 2022
·
Updated

Mozilla developers Ashley Hale and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 105 and Firefox ESR 102.3. 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.

Other sources

Mozilla developers Ashley Hale and the Mozilla Fuzzing Team reported memory safety bugs present in Thunderbird 102.3. 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

21 affected componentsFixes available
Mozilla Firefox<106.0
Mozilla Firefox ESR<102.4
Mozilla Thunderbird<102.4
Mozilla Firefox<106
106
Mozilla Firefox ESR<102.4
102.4
Mozilla Thunderbird<102.4
102.4
alpine/firefox-esr<102.4.0-r0
102.4.0-r0
alpine/firefox-esr<102.4.0-r0
102.4.0-r0
alpine/firefox-esr<102.4.0-r0
102.4.0-r0
alpine/firefox-esr<102.4.0-r0
102.4.0-r0
alpine/firefox-esr<102.4.0-r0
102.4.0-r0
alpine/firefox-esr<102.4.0-r0
102.4.0-r0
debian/firefox-esr<102.4.0esr-1
102.4.0esr-1
debian/firefox-esr<102.4.0esr-1
102.4.0esr-1
debian/firefox-esr<102.4.0esr-1
102.4.0esr-1
debian/thunderbird<1:102.4.0-1
1:102.4.0-1
debian/thunderbird<1:102.4.0-1
1:102.4.0-1
debian/thunderbird<1:102.4.0-1
1:102.4.0-1
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 Firefox to a version that resolves this vulnerability.

    Fixed in 106
  2. Upgrade

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

    Fixed in 102.4
  3. Upgrade

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

    Fixed in 106
  4. Upgrade

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

    Fixed in 102.4.0-r0
  5. Upgrade

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

    Fixed in 102.4.0esr-1
  6. Upgrade

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

    Fixed in 1:102.4.0-1
  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

Oct 18, 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 the severity of CVE-2022-42932?

The severity of CVE-2022-42932 is high.

2

Which software versions are affected by CVE-2022-42932?

Mozilla Firefox 105 and Firefox ESR 102.3 are affected by CVE-2022-42932.

3

Are there any known exploits for CVE-2022-42932?

There are no known exploits for CVE-2022-42932 at the moment.

4

How can I fix CVE-2022-42932?

To fix CVE-2022-42932, update to Mozilla Firefox version 106 or Firefox ESR version 102.4.

5

Where can I find more information about CVE-2022-42932?

You can find more information about CVE-2022-42932 on the Mozilla website.

Contact

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