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FirefoxWeb browser · Mozilla

CVE-2024-10467

HIGH · 8.8 CVSS v3.1 Published 2024-10-29
Fix available
A fix is available. Upgrade to 128.4.0 / 132.0 or later.
See remediation →
95/100
Remediation priority · Urgent
Remotely reachable No privileges

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 · unedited
Memory safety bugs present in Firefox 131, Firefox ESR 128.3, and Thunderbird 128.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Thunderbird < 128.4, and Thunderbird < 132.

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 confidence

Multiple memory safety bugs in Firefox 131, Firefox ESR 128.3, and Thunderbird 128.3 allowed memory corruption that could potentially be exploited for arbitrary code execution. These are classic memory corruption vulnerabilities (likely use-after-free, buffer overflows, or similar) in the browser's memory management.

MitigationUpgrade to Firefox 132+, Firefox ESR 128.4+, Thunderbird 128.4+, or Thunderbird 132+ to obtain the memory safety fixes.

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
Affected:< 128.4.0< 132.0
ThunderbirdApplication
Affected:< 128.4.0>= 129.0, < 132.0

CVSS 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
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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 checks

Work through these to decide whether this CVE applies to you.

  1. Identify the installed Mozilla product
    Check what Mozilla application is installed: look for 'Firefox' or 'Thunderbird' in installed programs, or run 'firefox --version' or 'thunderbird --version' in terminal
    Affected if The product is Firefox or Thunderbird
  2. Get the Firefox version number
    For Firefox: go to Menu > Help > About Firefox, or run 'firefox --version' in command line
    Affected if Version is less than 128.4.0 or between 128.4.0 and 132.0 (exclusive)
  3. Get the Thunderbird version number
    For Thunderbird: go to Menu > Help > About Thunderbird, or run 'thunderbird --version' in command line
    Affected if Version is less than 128.4.0 or between 129.0 and 132.0 (exclusive)

You are affected if Firefox is any version below 128.4.0 or below 132.0, or if Thunderbird is any version below 128.4.0 or between 129.0 and 132.0

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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 · scoped
Upgrade available Upgrade to 128.4.0 / 132.0 or later
Fixed in 128.4.0132.0
Interim mitigation

Upgrade to Firefox 132+, Firefox ESR 128.4+, Thunderbird 128.4+, or Thunderbird 132+ to obtain the memory safety fixes.

Recommended fix High confidence

Firefox 132.0, Firefox ESR 128.4.0, Thunderbird 128.4.0, or Thunderbird 132.0 (depending on product and track)

  1. Identify the currently installed Firefox or Thunderbird version by navigating to Help > About (or using the application menu)
  2. Determine which track the installation follows: Firefox Stable, Firefox ESR, or Thunderbird
  3. For Firefox Stable < 132: Upgrade to Firefox 132.0 or later
  4. For Firefox ESR < 128.4: Upgrade to Firefox ESR 128.4.0 or later
  5. For Thunderbird < 128.4: Upgrade to Thunderbird 128.4.0 or later
  6. For Thunderbird >= 129.0 and < 132: Upgrade to Thunderbird 132.0 or later
  7. After upgrading, restart the application to apply the fix
  8. Verify the installed version matches or exceeds the fixed release
Caveat Standard upgrade; review release notes for any add-on compatibility changes or feature modifications in major releases

Generated from the published advisory — verify against the referenced sources before acting.

Fix this in Firefox Scoped from the published advisory
  • Consultation1.0 h
  • Implementation2.0 h
  • Testing2.0 h
  • Review / QA1.0 h
6.0 hours of engineering $1,040
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,664.

Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-10467 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • 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