CVE-2024-3863: Malicious File Upload
The executable file warning was not presented when downloading .xrm-ms files. Note: This issue only affected Windows operating systems. Other operating systems are unaffected. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.
Other sources
The executable file warning was not presented when downloading .xrm-ms files. Note: This issue only affected Windows operating systems. Other operating systems are unaffected.
— 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-2024-3863?
CVE-2024-3863 is classified as a medium severity vulnerability due to the potential for executing malicious files without warning.
How do I fix CVE-2024-3863?
To fix CVE-2024-3863, update your Firefox or Thunderbird to version 125 or 115.10 respectively, as these versions contain the necessary security patches.
Which products are affected by CVE-2024-3863?
CVE-2024-3863 affects Firefox versions below 125, Firefox ESR versions below 115.10, and Thunderbird versions below 115.10.
Is my operating system affected by CVE-2024-3863?
CVE-2024-3863 only affects Windows operating systems; other operating systems remain unaffected.
What type of files are associated with CVE-2024-3863?
CVE-2024-3863 is specifically associated with the downloading of .xrm-ms files, which may be executable.