FirefoxWeb browser · Mozilla

CVE-2010-0173

HIGH · 9.3 CVSS v2.0 Published 2010-04-05

Fix available

A fix is available. Upgrade to after 3.5.7 or later.

See remediation →

100/100

Remediation priority · Urgent

Remotely reachable No privileges Zero-click

Official description

NVD · unedited

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 3.5.9 and 3.6.x before 3.6.2, Thunderbird before 3.0.4, and SeaMonkey before 2.0.4 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Technical summary

dbcve analysis · low confidence

Multiple memory corruption vulnerabilities in the Mozilla browser engine affecting Firefox, Thunderbird, and SeaMonkey allow remote attackers to cause denial of service through application crashes or potentially execute arbitrary code via unspecified vectors.

MitigationUpgrade affected applications to Firefox 3.5.9/3.6.2, Thunderbird 3.0.4, SeaMonkey 2.0.4 or later versions to patch the vulnerabilities.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions

NVD · CPE data

FirefoxWeb browser

Affected:= 3.6<= 3.5.7= 0.1= 0.2= 0.3= 0.4= 0.5= 0.6= 0.6.1= 0.7= 0.7.1= 0.8

ThunderbirdApplication

Affected:<= 3.0.3= 0.1= 0.2= 0.3= 0.4= 0.5= 0.6= 0.7= 0.7.1= 0.7.2= 0.7.3= 0.8

SeamonkeyApplication

Affected:<= 2.0.3= 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= 1.1

CVSS breakdown

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?

dbcve checks

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

Identify installed Mozilla product

Check for Firefox, Thunderbird, or SeaMonkey installation by looking in program directories or using system inventory tools

Affected if Any of these three Mozilla products are installed
Check Firefox version

Launch Firefox, go to Help > About Firefox, or run 'firefox -v' from command line. On Windows, right-click firefox.exe and select Properties > Details to see File Version

Affected if Version is 3.6, 3.5.7 or lower, or any of 0.1 through 0.8 (specific versions listed)
Check Thunderbird version

Launch Thunderbird, go to Help > About Thunderbird, or run 'thunderbird -v' from command line. On Windows, right-click thunderbird.exe and select Properties > Details to see File Version

Affected if Version is 3.0.3 or lower, or any of 0.1 through 0.8 (specific versions listed)
Check SeaMonkey version

Launch SeaMonkey, go to Help > About SeaMonkey, or run 'seamonkey -v' from command line. On Windows, right-click seamonkey.exe and select Properties > Details to see File Version

Affected if Version is 2.0.3 or lower, or any of 1.0 through 1.1 (specific versions listed)

If any of these Mozilla products are installed and the version matches the affected ranges listed (Firefox 0.1-3.6 or up to 3.5.7; Thunderbird 0.1-3.0.3 or up to 3.0.3; SeaMonkey 1.0-1.1 or up to 2.0.3), the environment is affected by this CVE.

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

Remediation

dbcve · scoped

Upgrade available Upgrade to a release after 3.5.7

Interim mitigation

Upgrade affected applications to Firefox 3.5.9/3.6.2, Thunderbird 3.0.4, SeaMonkey 2.0.4 or later versions to patch the vulnerabilities.

Recommended fix High confidence

Firefox 3.5.9/3.6.2+, Thunderbird 3.0.4+, SeaMonkey 2.0.4+

Upgrade Firefox to version 3.5.9 or 3.6.2 or later
Upgrade Thunderbird to version 3.0.4 or later
Upgrade SeaMonkey to version 2.0.4 or later
After upgrading, verify the installation by checking Help > About in the application

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
Testing1.0 h
Review / QA1.0 h

5.0 hours of engineering $890

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Scan for this in your stack

Free · runs locally

dbcve dependency scanner

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References

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2010-0173 in production — separate from our analysis above.

Notes0 Guidelines

Know something about CVE-2010-0173?

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

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

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

At a glance

A fix existsUpgrade to after 3.5.7 or later

Severity 9.3 High

Exploit likelihood EPSS, next 30 days 4.6%

Affects: Firefox

Remediation

A high-priority fix

Fix this in Firefox 5 hrs · Low

Typical engagement from $890

Get a fix See the full breakdown ↓

A high-priority vulnerability. Send your environment and a specialist will scope CVE-2010-0173 and return a fixed quote and timeline.

You’ll deal with our team directly and deploy the reviewed fix to staging first — never straight to production.

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.

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.

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.

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.

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.

Check your environment

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.

Scan for this in your stack

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

Practitioner notes

No notes yet

Official description

Technical summary

Affected products & versions

CVSS breakdown

Am I affected?

Remediation

References