What is CVE-2022-26386?

CVE-2022-26386 is a medium-severity vulnerability in Apple Macos, classified under Insecure Temporary File. CVSS score: 6.5/10. Published 2022-12-22.

How severe is CVE-2022-26386?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Apple Macos

CVE-2022-26386

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.

EPSS: 0.007 (48.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Apple Macos
Linux Linux_kernel
Mozilla Firefox Esr — versions unspecified
Mozilla Firefox_esr
Mozilla Thunderbird — versions unspecified

Weakness classification (CWE)

CWE-377 — Insecure Temporary File

References

security@mozilla.org (Vendor Advisory)
security@mozilla.org (Vendor Advisory)
security@mozilla.org (Exploit, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2022-26386?: CVE-2022-26386 is a medium-severity vulnerability in Apple Macos, classified under Insecure Temporary File. CVSS score: 6.5/10. Published 2022-12-22.
How severe is CVE-2022-26386?: Medium severity. CVSS v3 base score is 6.5 out of 10.