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FirefoxWeb browser · Mozilla

CVE-2013-1669

HIGH · 10.0 CVSS v2.0 Published 2013-05-16
Fix available
A fix is available. Upgrade to after 20.0.1 or later.
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 before 21.0 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 memory corruption vulnerabilities in Mozilla Firefox's browser engine (versions before 21.0) allow remote attackers to cause denial of service via application crashes or potentially execute arbitrary code through unspecified attack vectors.

MitigationUpgrade Mozilla Firefox to version 21.0 or later to apply the security patches addressing these 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:<= 20.0.1= 19.0= 19.0.1= 19.0.2= 20.0

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
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/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. Check Firefox version in application
    Open Firefox, click the menu button (three horizontal lines in the upper right), select Help, then select About Firefox. The version number is displayed on this screen.
    Affected if The version shown is 19.0, 19.0.1, 19.0.2, 20.0, or 20.0.1
  2. Check Firefox version via command line
    Run 'firefox --version' or 'firefox -v' in a terminal or command prompt.
    Affected if The version output is 19.0.x, 20.0, or 20.0.1
  3. Check Firefox version in package manager
    On Linux systems, check the installed package: dpkg -l firefox | grep firefox (Debian/Ubuntu) or rpm -qa firefox (RHEL/CentOS).
    Affected if The listed package version matches 19.0, 19.0.1, 19.0.2, 20.0, or 20.0.1

If the installed Firefox version is any release between 19.0 and 20.0.1 inclusive, the environment is affected by this CVE.

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 a release after 20.0.1
Interim mitigation

Upgrade Mozilla Firefox to version 21.0 or later to apply the security patches addressing these vulnerabilities.

Recommended fix High confidence

Firefox 21.0 or later (preferably latest stable release)

  1. Check current Firefox version by navigating to Help > About Firefox
  2. Download Firefox 21.0 or later from the official Mozilla website (www.mozilla.org)
  3. Close all Firefox windows and running instances
  4. Run the downloaded installer and follow the prompts to install the updated version
  5. After installation, restart Firefox to complete the upgrade

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
4.0 hours of engineering $750
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,200.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2013-1669 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

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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-2013-1669 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