CVE-2022-26386

Mozilla: Temporary files downloaded to /tmp and accessible by other local users

Published Dec 22, 2022 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2942-1 firefox-esr security update
Debian DLA Debian DLA DLA-2961-1 thunderbird security update
Debian DSA Debian DSA DSA-5097-1 firefox-esr security update
Debian DSA Debian DSA DSA-5106-1 thunderbird security update
EUVD EUVD EUVD-2022-30945 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.
Ubuntu USN Ubuntu USN USN-5345-1 Thunderbird vulnerabilities
History
Type Values Removed Values Added
Weaknesses CWE-377
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Apr 15, 2025, 8:12 PM
Reserved
Mar 3, 2022, 12:00 AM
Status
Modified
Published
Dec 22, 2022, 8:15 PM
Modified
Jun 17, 2026, 4:35 AM
Severity
Low
Public date
Mar 8, 2022, 12:00 AM