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FirefoxWeb browser · Mozilla

CVE-2008-4069

MEDIUM · 5.0 CVSS v2.0 Published 2008-09-24
Fix available
A fix is available. Upgrade to after 2.0.0.16 or later.
See remediation →
59/100
Remediation priority · Elevated
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
The XBM decoder in Mozilla Firefox before 2.0.0.17 and SeaMonkey before 1.1.12 allows remote attackers to read uninitialized memory, and possibly obtain sensitive information in opportunistic circumstances, via a crafted XBM image file.

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

The XBM decoder in Firefox before 2.0.0.17 and SeaMonkey before 1.1.12 contains a flaw that allows reading uninitialized memory when processing a crafted XBM image file, potentially exposing sensitive data from memory.

MitigationUpgrade to Firefox 2.0.0.17 or SeaMonkey 1.1.12 or later. Block or filter XBM image content from untrusted sources as a defense-in-depth measure.

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:<= 2.0.0.16= 0.8= 0.9= 0.9.1= 0.9.2= 0.9.3= 0.9_rc= 0.10= 0.10.1= 1.0= 1.0.1= 1.0.2
SeamonkeyApplication
Affected:all versions<= 1.1.11= 1.0= 1.0.1= 1.0.2= 1.0.3= 1.0.4= 1.0.5= 1.0.6= 1.0.7= 1.0.8= 1.0.9

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
Partial
Integrity
None
Availability
None

AV:N/AC:L/Au:N/C:P/I:N/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 checks

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

  1. Identify installed browser product
    Check if Mozilla Firefox or SeaMonkey is installed by looking in Program Files (Windows), /Applications (Mac), or /usr/bin (Linux) for firefox or seamonkey executables
    Affected if Either Firefox or SeaMonkey is installed
  2. Check Firefox version number
    Run 'firefox --version' from command line, or in Firefox go to Help > About Firefox to view the version (e.g., 2.0.0.16, 1.0.2, etc.)
    Affected if Version is 2.0.0.16 or lower, or matches 0.8, 0.9, 0.9.1, 0.9.2, 0.9.3, 0.9_rc, 0.10, 0.10.1, 1.0, 1.0.1, or 1.0.2
  3. Check SeaMonkey version number
    Run 'seamonkey --version' from command line, or in SeaMonkey go to Help > About SeaMonkey to view the version (e.g., 1.1.11, 1.0.9, etc.)
    Affected if Version is 1.1.11 or lower, or matches any 1.0.x version from 1.0 through 1.0.9

You are affected if you are running Firefox version 2.0.0.16 or below (including the specific older versions listed) or SeaMonkey version 1.1.11 or below (including all 1.0.x versions), as these contain the vulnerable XBM decoder that processes XBM image files.

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.

From vendor data
Upgrade available Upgrade to a release after 2.0.0.16
Interim mitigation

Upgrade to Firefox 2.0.0.17 or SeaMonkey 1.1.12 or later. Block or filter XBM image content from untrusted sources as a defense-in-depth measure.

Fix this in Firefox Scoped from the published advisory
  • Consultation2.0 h
  • Implementation2.0 h
  • Testing1.0 h
  • Review / QA1.0 h
6.0 hours of engineering $1,090
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,744.

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-2008-4069 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