FirefoxWeb browser · Mozilla
CVE-2022-46875
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedThe executable file warning was not presented when downloading .atloc and .ftploc files, which can run commands on a user's computer. <br>*Note: This issue only affected Mac OS operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 108, Firefox ESR < 102.6, and Thunderbird < 102.6.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceFirefox, Firefox ESR, and Thunderbird failed to display the executable file warning when users downloaded .atloc and .ftploc files on Mac OS. These file types can execute commands on the user's computer, but the missing warning allowed them to be downloaded without alerting users to the executable risk.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data
FirefoxWeb browser
< 108.0
Firefox EsrWeb browser
< 102.6< 102.6CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify the installed Mozilla productCheck which Mozilla application is installed: look for Firefox, Firefox ESR, or Thunderbird in the Applications folder (Mac) or Program Files (Windows)Affected if Any of Firefox, Firefox ESR, or Thunderbird is installed on the system
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Determine the product versionOpen the application and navigate to Help > About (or Firefox > About on Mac) to view the exact version numberAffected if Version is Firefox < 108.0, Firefox ESR < 102.6, or Thunderbird < 102.6
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Confirm Mac OS is the operating systemCheck system information or About This Mac to verify the OS - this vulnerability affects only Mac OSAffected if Running Mac OS (the flaw does not apply to Windows or Linux)
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Review downloaded .atloc or .ftploc filesCheck the Downloads folder and browser download history for any .atloc or .ftploc files that were saved without an executable warningAffected if User has downloaded .atloc or .ftploc files using the vulnerable product version on Mac OS
User is affected if running any vulnerable version of Firefox, Firefox ESR, or Thunderbird on Mac OS and has downloaded .atloc or .ftploc files without receiving an executable file warning.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
dbcve · scoped102.6108.0
Update to Firefox 108, Firefox ESR 102.6, Thunderbird 102.6 or later. These versions add the executable file warning for .atloc and .ftploc files.
Firefox 108.0, Firefox ESR 102.6, Thunderbird 102.6
- Upgrade Firefox to version 108.0 or later
- Upgrade Firefox ESR to version 102.6 or later
- Upgrade Thunderbird to version 102.6 or later
- After upgrading, verify the version by checking Help > About Firefox/Thunderbird
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Firefox
Scoped from the published advisory
- Consultation1.0 h
- Implementation1.0 h
- Testing1.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,200.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-46875 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2022-46875 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data