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FirefoxWeb browser · Mozilla

CVE-2010-3175

HIGH · 9.3 CVSS v2.0 Published 2010-10-21
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

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
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox 3.6.x before 3.6.11 and Thunderbird 3.1.x before 3.1.5 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

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 unspecified vulnerabilities in the Mozilla Gecko browser engine allow remote attackers to cause memory corruption, leading to application crashes or potential arbitrary code execution via unknown vectors.

MitigationUpgrade to Firefox 3.6.11+, Thunderbird 3.1.5+, or later supported versions to patch the browser engine vulnerabilities.

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:= 3.6= 3.6.2= 3.6.3= 3.6.4= 3.6.6= 3.6.7= 3.6.8= 3.6.9= 3.6.10
ThunderbirdApplication
Affected:= 3.1= 3.1.1= 3.1.2= 3.1.3= 3.1.4

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
M
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:M/Au:N/C:C/I:C/A:C

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 installed Mozilla product
    Check if Firefox or Thunderbird is installed. On Windows, look in Program Files or the Start menu. On Linux, use package manager (dpkg -l | grep firefox or rpm -qa | grep thunderbird). On Mac, check /Applications folder.
    Affected if Either Firefox or Thunderbird is present on the system
  2. Determine Firefox version
    Open Firefox, go to Help > About Firefox (or type about:support in the address bar). The version number is displayed on the page that opens.
    Affected if Version is 3.6, 3.6.2, 3.6.3, 3.6.4, 3.6.6, 3.6.7, 3.6.8, 3.6.9, or 3.6.10
  3. Determine Thunderbird version
    Open Thunderbird, go to Help > About Thunderbird. The version number is displayed on the page that opens.
    Affected if Version is 3.1, 3.1.1, 3.1.2, 3.1.3, or 3.1.4
  4. Confirm Gecko engine is in use
    Both Firefox and Thunderbird use the Gecko browser engine. This vulnerability affects any application using the Mozilla Gecko rendering engine.
    Affected if The product uses the Mozilla Gecko engine (Firefox or Thunderbird) and the version matches one of the affected versions listed

If Firefox version is 3.6.x (excluding 3.6.11+) or Thunderbird version is 3.1.x (excluding 3.1.5+), the environment is vulnerable to memory corruption in the Gecko browser engine.

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
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade to Firefox 3.6.11+, Thunderbird 3.1.5+, or later supported versions to patch the browser engine vulnerabilities.

Recommended fix High confidence

Firefox 3.6.11 or Thunderbird 3.1.5 (or later respective 3.6.x/3.1.x releases)

  1. 1. Check current installed version of Firefox or Thunderbird
  2. 2. For Firefox: Upgrade to version 3.6.11 or later
  3. 3. For Thunderbird: Upgrade to version 3.1.5 or later
  4. 4. Verify the upgrade was successful by checking the application version in Help > About
Caveat Minor point release upgrade; however, these are very old End-of-Life versions and moving to modern Firefox/Thunderbird is recommended for continued security support

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

Fix this in Firefox Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing4.0 h
  • Review / QA2.0 h
18.0 hours of engineering $3,200
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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-2010-3175 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