CVE-2023-23605: Memory safety bugs fixed in Firefox 109 and Firefox ESR 102.7

Published Jan 17, 2023
·
Updated

Mozilla developers and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 108 and Firefox ESR 102.6. 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 and the Mozilla Fuzzing Team reported memory safety bugs present in Thunderbird 102.6. 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

9 affected componentsFixes available
debian/firefox
118.0.2-1
debian/firefox-esr<=91.12.0esr-1~deb10u1
115.3.1esr-1~deb10u1102.15.0esr-1~deb11u1115.3.1esr-1~deb11u1102.15.1esr-1~deb12u1115.3.0esr-1~deb12u1115.3.0esr-1
debian/thunderbird<=1:91.12.0-1~deb10u1
1:115.3.1-1~deb10u11:102.13.1-1~deb11u11:115.3.1-1~deb11u11:102.15.1-1~deb12u11:115.3.1-1~deb12u11:115.3.1-1
Mozilla Thunderbird<102.7
102.7
Mozilla Firefox<109.0
Mozilla Firefox ESR<102.7
Mozilla Thunderbird<102.7
Mozilla Firefox ESR<102.7
102.7
Mozilla Firefox<109
109

Event History

Jan 17, 2023
CVE Published
12:00 AM
Jun 2, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
05:15 PM
Description
Data Sourced
via NVD·05:15 PM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2023-23605?

The severity of CVE-2023-23605 is high with a severity value of 8.8.

2

Which software is affected by CVE-2023-23605?

CVE-2023-23605 affects Mozilla Firefox ESR versions up to and including 102.7, Mozilla Thunderbird versions up to and including 102.7, and Debian packages of Firefox and Thunderbird.

3

Are there any known remedies for CVE-2023-23605?

Yes, the recommended remedy for CVE-2023-23605 is to update to Mozilla Firefox ESR version 102.7 or higher, update to Mozilla Thunderbird version 102.7 or higher, or update the affected Debian packages of Firefox and Thunderbird to the recommended versions.

4

Are there any references for CVE-2023-23605?

Yes, you can find more information about CVE-2023-23605 in the following references: [Link 1](https://www.mozilla.org/security/advisories/mfsa2023-01/), [Link 2](https://www.mozilla.org/security/advisories/mfsa2023-03/), [Link 3](https://www.mozilla.org/security/advisories/mfsa2023-02/).

5

What is the Common Weakness Enumeration (CWE) for CVE-2023-23605?

The Common Weakness Enumeration (CWE) for CVE-2023-23605 is CWE-787.

Contact

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