CVE-2023-5730: Critical severity thunderbird vulnerability
Last updated 24 July 2024
Other sources
Memory safety bugs present in Firefox 118, Firefox ESR 115.3, and Thunderbird 115.3. 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
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2023-5730?
The severity of CVE-2023-5730 is high with a severity value of 7.
Which software versions are affected by CVE-2023-5730?
Firefox versions up to exclusive 119 and Firefox ESR versions up to exclusive 115.4 are affected by CVE-2023-5730.
What is the impact of CVE-2023-5730?
CVE-2023-5730 could have been exploited to run arbitrary code due to memory corruption.
How can I fix CVE-2023-5730?
Update Firefox to version 119 or later and Firefox ESR to version 115.4 or later to fix CVE-2023-5730.
Where can I find more information about CVE-2023-5730?
You can find more information about CVE-2023-5730 in the following references: [Bugzilla](https://bugzilla.mozilla.org/buglist.cgi?bug_id=1836607%2C1840918%2C1848694%2C1848833%2C1850191%2C1850259%2C1852596%2C1853201%2C1854002%2C1855306%2C1855640%2C1856695), [Mozilla Advisory MFSA2023-45](https://www.mozilla.org/en-US/security/advisories/mfsa2023-45/), [Mozilla Advisory MFSA2023-46](https://www.mozilla.org/en-US/security/advisories/mfsa2023-46/).