CVE-2023-29535

Published Apr 11, 2023
·
Updated

Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and a potentially exploitable crash.

Affected Software

15 affected componentsFixes available
debian/firefox
131.0-1
debian/firefox-esr
115.14.0esr-1~deb11u1128.3.0esr-1~deb11u2115.14.0esr-1~deb12u1128.3.0esr-1~deb12u1115.15.0esr-1128.3.0esr-2
debian/thunderbird
1:115.12.0-1~deb11u11:115.15.0-1~deb11u11:115.12.0-1~deb12u11:115.15.0-1~deb12u11:128.2.0esr-11:128.3.0esr-1
Mozilla Thunderbird<102.10
102.10
Mozilla Firefox<112.0
Mozilla Firefox Android<112.0
Mozilla Firefox ESR<102.10
Mozilla Focus Android<112.0
Mozilla Thunderbird<102.10
Mozilla Firefox ESR<102.10
102.10
Mozilla Firefox<112
112
All of the following
Mozilla Firefox=112
Google Android
All of the following
Mozilla Focus=112
Google Android

Event History

Apr 11, 2023
CVE Published
12:00 AM
Jun 2, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
05:15 PM
Description
Jan 12, 2024
Data Sourced
via Launchpad·12:18 AM
Description
Sep 16, 2024
Data Sourced
via Ubuntu·04:14 AM
RemedyDescriptionSeverityAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2023-29535?

CVE-2023-29535 is a vulnerability in Firefox, Focus for Android, and Firefox ESR that allows for memory corruption and potentially exploitable crashes.

2

Which software versions are affected by CVE-2023-29535?

Firefox versions prior to 112, Focus for Android versions prior to 112, and Firefox ESR versions prior to 102.10 are affected by CVE-2023-29535.

3

How can CVE-2023-29535 be exploited?

CVE-2023-29535 can be exploited by accessing weak maps before they are correctly traced, resulting in memory corruption and potentially exploitable crashes.

4

What is the severity of CVE-2023-29535?

CVE-2023-29535 has a severity level of high, with a CVSS score of 7.

5

How can I fix CVE-2023-29535?

To fix CVE-2023-29535, update Firefox to version 112 or later, Focus for Android to version 112 or later, or Firefox ESR to version 102.10 or later.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203