CVE-2023-29550

Description

Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. 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. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.

8.8

CVSS

Severity: High

CVSS 3.1 •

EPSS 0.14%

Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org

Affected: Mozilla Firefox

Affected: Mozilla Focus for Android

Affected: Mozilla Firefox ESR

Affected: Mozilla Firefox for Android

Affected: Mozilla Thunderbird

References

Link	Tags
https://www.mozilla.org/security/advisories/mfsa2023-15/	vendor advisory
https://www.mozilla.org/security/advisories/mfsa2023-14/	vendor advisory
https://www.mozilla.org/security/advisories/mfsa2023-13/	vendor advisory
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1720594%2C1812498%2C1814217%2C1818357%2C1751945%2C1818762%2C1819493%2C1820389%2C1820602%2C1821448%2C1822413%2C1824828	not applicable issue tracking

Frequently Asked Questions

What is the severity of CVE-2023-29550?: CVE-2023-29550 has been scored as a high severity vulnerability.
How to fix CVE-2023-29550?: To fix CVE-2023-29550, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-29550 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-29550 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-29550?: CVE-2023-29550 affects Mozilla Firefox, Mozilla Focus for Android, Mozilla Firefox ESR, Mozilla Firefox for Android, Mozilla Thunderbird.

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