CVE-2023-29535: Medium severity Mozilla Thunderbird vulnerability
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
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/firefoxto a version that resolves this vulnerability.Fixed in 131.0-1 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 115.14.0esr-1~deb11u1Fixed in 128.3.0esr-1~deb11u2Fixed in 115.14.0esr-1~deb12u1Fixed in 128.3.0esr-1~deb12u1Fixed in 115.15.0esr-1Fixed in 128.3.0esr-2 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:115.12.0-1~deb11u1Fixed in 1:115.15.0-1~deb11u1Fixed in 1:115.12.0-1~deb12u1Fixed in 1:115.15.0-1~deb12u1Fixed in 1:128.2.0esr-1Fixed in 1:128.3.0esr-1 - Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 102.10 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 102.10 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 112 - Upgrade
Upgrade
Mozilla Firefox/Firefox ESR/Firefox for Android/Focus for Android/Thunderbirdto a version that resolves this vulnerability.Fixed in 112 - Upgrade
Upgrade
Mozilla Firefox ESR/Thunderbirdto a version that resolves this vulnerability.Fixed in 102.10
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2023-29531
- CVE-2023-29532
- CVE-2023-29533
- CVE-2023-1999
- CVE-2023-29535
- CVE-2023-29536
- CVE-2023-0547
- CVE-2023-29479
- CVE-2023-29539
- CVE-2023-29541
- CVE-2023-29542
- CVE-2023-29545
- CVE-2023-1945
- CVE-2023-29548
- CVE-2023-29550
- CVE-2023-29534
- CVE-2023-29537
- CVE-2023-29538
- CVE-2023-29540
- CVE-2023-29543
- CVE-2023-29544
- CVE-2023-29546
- CVE-2023-29547
- CVE-2023-29549
- CVE-2023-29551
Frequently Asked Questions
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.
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.
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.
What is the severity of CVE-2023-29535?
CVE-2023-29535 has a severity level of high, with a CVSS score of 7.
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.