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FirefoxWeb browser · Mozilla

CVE-2015-2725

HIGH · 10.0 CVSS v2.0 Published 2015-07-06
Fix available
A fix is available. Upgrade to after 38.1.0 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 39.0, Firefox ESR 38.x before 38.1, and Thunderbird before 38.1 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 the Mozilla browser engine (used by Firefox and Thunderbird) allow remote attackers to crash the application or potentially execute arbitrary code via unknown vectors. The vulnerabilities stem from unspecified flaws in the browser engine's memory handling, rated critical due to the possibility of code execution.

MitigationUpgrade affected installations to Firefox 39.0+, Firefox ESR 38.1+, or Thunderbird 38.1+ 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:= 31.0= 31.1.0= 31.1.1= 31.3.0= 31.5.1= 31.5.2= 31.5.3= 38.0<= 38.1.0
Firefox EsrWeb browser
Affected:= 31.1= 31.2= 31.3= 31.4= 31.5= 31.6.0= 31.7.0
Suse Linux Enterprise Software Development KitApplication
Affected:= 12.0
Suse Linux Enterprise DesktopOperating system
Affected:= 12.0
Suse Linux Enterprise ServerOperating system
Affected:= 11= 12.0
SolarisOperating system
Affected:= 11.3
ThunderbirdApplication
Affected:<= 38.0.1

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 installed Firefox version
    Run 'firefox --version' from command line, or open Firefox and navigate to Help > About Firefox to view the exact version number
    Affected if The version equals 31.0, 31.1.0, 31.1.1, 31.3.0, 31.5.1, 31.5.2, 31.5.3, 38.0, or is 38.0.1 through 38.1.0 inclusive
  2. Check installed Firefox ESR version
    Run 'firefox --version' from command line, or open Firefox ESR and navigate to Help > About Firefox to view the exact version number
    Affected if The version equals 31.1, 31.2, 31.3, 31.4, 31.5, 31.6.0, or 31.7.0
  3. Check installed Thunderbird version
    Run 'thunderbird --version' from command line, or open Thunderbird and navigate to Help > About Thunderbird to view the exact version number
    Affected if The version is 38.0.1 or any earlier version up to and including 38.0
  4. Check for SUSE Linux Enterprise Mozilla packages
    On SUSE systems, run 'rpm -qa | grep -i firefox' or 'rpm -qa | grep -i mozilla' to list installed Mozilla-related packages and their versions
    Affected if Firefox or Mozilla packages with version 31.x or 38.x are installed on SUSE Linux Enterprise Server 11, 12.0, or Desktop 12.0
  5. Check for Oracle Solaris Mozilla components
    On Oracle Solaris 11.3 systems, run 'pkginfo | grep -i mozilla' or check /opt directory for Mozilla installation directories and their version files
    Affected if Mozilla Firefox or Thunderbird components from the Solaris 11.3 distribution are installed

The environment is affected if Firefox (any channel) version 31.x or 38.x through 38.1.0, Firefox ESR 31.1 through 31.7.0, or Thunderbird version 38.0.1 or earlier is installed, or if Mozilla packages from SUSE Enterprise 12.0 or Solaris 11.3 are present.

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 38.1.0
Interim mitigation

Upgrade affected installations to Firefox 39.0+, Firefox ESR 38.1+, or Thunderbird 38.1+ to patch the browser engine vulnerabilities.

Recommended fix High confidence

Firefox 39.0+, Firefox ESR 38.1+, Thunderbird 38.1+

  1. Upgrade Mozilla Firefox to version 39.0 or later
  2. Upgrade Mozilla Firefox ESR to version 38.1 or later
  3. Upgrade Mozilla Thunderbird to version 38.1 or later

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

Fix this in Firefox Scoped from the published advisory
  • Consultation3.0 h
  • Implementation4.0 h
  • Testing2.0 h
  • Review / QA1.0 h
10.0 hours of engineering $1,800
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,880.

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-2015-2725 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