CVE-2022-26386

Public Exploit

Description

Previously Firefox for macOS and Linux would download temporary files to a user-specific directory in <code>/tmp</code>, but this behavior was changed to download them to <code>/tmp</code> where they could be affected by other local users. This behavior was reverted to the original, user-specific directory. <br>*This bug only affects Firefox for macOS and Linux. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 91.7 and Thunderbird < 91.7.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.09%
Vendor Advisory mozilla.org Vendor Advisory mozilla.org Vendor Advisory mozilla.org
Affected: Mozilla Firefox ESR
Affected: Mozilla Thunderbird
Published at:
Updated at:

References

Link Tags
https://www.mozilla.org/security/advisories/mfsa2022-12/ vendor advisory
https://www.mozilla.org/security/advisories/mfsa2022-11/ vendor advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1752396 issue tracking exploit vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-26386?
CVE-2022-26386 has been scored as a medium severity vulnerability.
How to fix CVE-2022-26386?
To fix CVE-2022-26386, 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-2022-26386 being actively exploited in the wild?
It is possible that CVE-2022-26386 is being exploited or will be exploited in a near future based on public information. 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-2022-26386?
CVE-2022-26386 affects Mozilla Firefox ESR, Mozilla Thunderbird.
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