CVE-2023-4054
First published: Tue Aug 01 2023(Updated: )
When opening appref-ms files, Firefox did not warn the user that these files may contain malicious code. *This bug only affects Firefox on Windows. Other operating systems are unaffected.* This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.
Credit: security@mozilla.org security@mozilla.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mozilla Firefox ESR | <102.14 | 102.14 |
| Mozilla Firefox ESR | <115.1 | 115.1 |
| Mozilla Thunderbird | <115.1 | 115.1 |
| Mozilla Thunderbird | <102.14 | 102.14 |
| Mozilla Firefox | <116 | 116 |
| Mozilla Firefox | <116.0 | |
| Mozilla Firefox ESR | >=102.0<102.14 | |
| Mozilla Firefox ESR | >=115.0<115.1 | |
| Microsoft Windows | ||
| All of | ||
| Microsoft Windows | ||
| Any of | ||
| Mozilla Firefox | <116.0 | |
| Mozilla Firefox | >=102.0<102.14 | |
| Mozilla Firefox | >=115.0<115.1 |
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Reference Links
- https://bugzilla.mozilla.org/show_bug.cgi?id=1840777
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-29/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-30/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-31/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-32/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-33/
- https://www.mozilla.org/security/advisories/mfsa2023-29/
- https://www.mozilla.org/security/advisories/mfsa2023-30/
- https://www.mozilla.org/security/advisories/mfsa2023-31/
- https://www.mozilla.org/security/advisories/mfsa2023-32/
- https://www.mozilla.org/security/advisories/mfsa2023-33/
Parent vulnerabilities
(Appears in the following advisories)
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is CVE-2023-4054?
CVE-2023-4054 is a vulnerability in Firefox on Windows that allows appref-ms files to execute malicious code without warning.
Which operating systems are affected by CVE-2023-4054?
CVE-2023-4054 only affects Firefox on Windows. Other operating systems are unaffected.
What versions of Firefox are affected by CVE-2023-4054?
Firefox versions less than 116 and Firefox ESR versions less than 102.14 are affected by CVE-2023-4054.
What versions of Thunderbird are affected by CVE-2023-4054?
Thunderbird versions less than 102.14 are affected by CVE-2023-4054.
How can I fix CVE-2023-4054?
To fix CVE-2023-4054, update Firefox to version 116 or later, Firefox ESR to version 102.14 or later, or Thunderbird to version 102.14 or later.
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