CVE-2022-26386
First published: Tue Mar 08 2022(Updated: )
Previously Firefox for macOS and Linux would download temporary files to a user-specific directory in /tmp, but this behavior was changed to download them to /tmp where they could be affected by other local users. This behavior was reverted to the original, user-specific directory. This bug only affects Firefox for macOS and Linux. Other operating systems are unaffected.
Credit: security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/firefox | <0:91.7.0-3.el7_9 | 0:91.7.0-3.el7_9 |
| redhat/thunderbird | <0:91.7.0-2.el7_9 | 0:91.7.0-2.el7_9 |
| redhat/firefox | <0:91.7.0-3.el8_5 | 0:91.7.0-3.el8_5 |
| redhat/thunderbird | <0:91.7.0-2.el8_5 | 0:91.7.0-2.el8_5 |
| redhat/firefox | <0:91.7.0-3.el8_1 | 0:91.7.0-3.el8_1 |
| redhat/thunderbird | <0:91.7.0-2.el8_1 | 0:91.7.0-2.el8_1 |
| redhat/firefox | <0:91.7.0-3.el8_2 | 0:91.7.0-3.el8_2 |
| redhat/thunderbird | <0:91.7.0-2.el8_2 | 0:91.7.0-2.el8_2 |
| redhat/firefox | <0:91.7.0-3.el8_4 | 0:91.7.0-3.el8_4 |
| redhat/thunderbird | <0:91.7.0-2.el8_4 | 0:91.7.0-2.el8_4 |
| redhat/firefox | <91.7 | 91.7 |
| redhat/thunderbird | <91.7 | 91.7 |
| Thunderbird | <91.7 | 91.7 |
| Firefox ESR | <91.7 | 91.7 |
| Firefox ESR | <91.7 | |
| Thunderbird | <91.7 | |
| macOS | ||
| Linux Kernel | ||
| All of | ||
| Any of | ||
| Firefox ESR | <91.7 | |
| Thunderbird | <91.7 | |
| Any of | ||
| macOS | ||
| Linux Kernel |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1752396
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-11/
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-11/#CVE-2022-26386
- https://www.mozilla.org/en-US/security/advisories/mfsa2022-12/
- https://www.mozilla.org/security/advisories/mfsa2022-11/
- https://www.mozilla.org/security/advisories/mfsa2022-12/
- https://access.redhat.com/errata/RHSA-2022:0815
- https://access.redhat.com/errata/RHSA-2022:0816
- https://access.redhat.com/errata/RHSA-2022:0818
- https://access.redhat.com/errata/RHSA-2022:0817
- https://access.redhat.com/errata/RHSA-2022:0824
- https://access.redhat.com/errata/RHSA-2022:0843
- https://access.redhat.com/errata/RHSA-2022:0847
- https://access.redhat.com/errata/RHSA-2022:0845
- https://access.redhat.com/errata/RHSA-2022:0853
- https://access.redhat.com/errata/RHSA-2022:0850
- https://access.redhat.com/security/cve/cve-2022-26386
- https://bugzilla.redhat.com/show_bug.cgi?id=2062224
- https://www.cve.org/CVERecord?id=CVE-2022-26386 https://nvd.nist.gov/vuln/detail/CVE-2022-26386 https://www.mozilla.org/en-US/security/advisories/mfsa2022-11/#CVE-2022-26386 https://www.mozilla.org/en-US/security/advisories/mfsa2022-12/#CVE-2022-26386
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2022-26386?
The severity of CVE-2022-26386 is classified as moderate.
How do I fix CVE-2022-26386?
To fix CVE-2022-26386, upgrade to the latest versions of Firefox or Thunderbird specified in the vulnerability details.
Which versions of Firefox are affected by CVE-2022-26386?
Versions of Firefox before 91.7 are affected by CVE-2022-26386.
Which versions of Thunderbird are impacted by CVE-2022-26386?
Thunderbird versions prior to 91.7 are impacted by CVE-2022-26386.
Is my operating system vulnerable to CVE-2022-26386?
CVE-2022-26386 impacts Firefox and Thunderbird on macOS and Linux.
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