Mozilla Firefox 30.0/31.0/31.1.0/32.0 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Mozilla Firefox 30.0/31.0/31.1.0/32.0 (Web Browser) and classified as critical. This issue affects an unknown code block. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The software performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The weakness was presented 10/14/2014 by Bobby Holley, Christian Holler, David Bolter, Byron Campen and Jon Coppeard as MFSA2014-74 as confirmed advisory (Website). The advisory is shared at The identification of this vulnerability is CVE-2014-1574 since 01/16/2014. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/21/2022).

The vulnerability scanner Nessus provides a plugin with the ID 79118 (SuSE 11.3 Security Update : MozillaFirefox (SAT Patch Number 9935)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 122754 (Red Hat Update for Xulrunner firefox (RHSA-2014:1635)).

Upgrading to version 33 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (97001) and Tenable (79118). is providing further details. See 67794, 67795, 67796 and 67797 for similar entries.


  • Mozilla Firefox 32.0
  • Mozilla Firefox ESR 31.1
  • Mozilla Thunderbird 31.1






  • open-source

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 8.7

VulDB Base Score: 10.0
VulDB Temp Score: 8.7
VulDB Vector: 🔍
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Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 79118
Nessus Name: SuSE 11.3 Security Update : MozillaFirefox (SAT Patch Number 9935)
Nessus File: 🔍
Nessus Risk: 🔍
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Nessus Port: 🔍

OpenVAS ID: 703050
OpenVAS Name: Debian Security Advisory DSA 3050-1 (iceweasel - security update)
OpenVAS File: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: Upgrade
Status: 🔍

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Upgrade: Firefox 33


01/16/2014 🔍
10/14/2014 +271 days 🔍
10/14/2014 +0 days 🔍
10/14/2014 +0 days 🔍
10/14/2014 +0 days 🔍
10/14/2014 +0 days 🔍
10/15/2014 +1 days 🔍
10/15/2014 +0 days 🔍
10/15/2014 +0 days 🔍
11/11/2014 +27 days 🔍
02/21/2022 +2659 days 🔍



Advisory: MFSA2014-74
Researcher: Bobby Holley/Christian Holler/David Bolter/Byron Campen/Jon Coppeard
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-1574 (🔍)

X-Force: 97001 - Mozilla Firefox andThunderbird code execution, High Risk
SecurityTracker: 1031028 - Mozilla Firefox Bugs Let Remote Users Execute Arbitrary Code, Bypass Same Origin-Policy, and Obtain Potentially Sensitive Information
Vulnerability Center: 46466 - Mozilla Firefox ESR <31.2 and Thunderbird <31.2 Remote Code Execution due to Memory Corruption - CVE-2014-1574, High
SecurityFocus: 70436 - Mozilla Firefox/Thunderbird CVE-2014-1574 Multiple Memory Corruption Vulnerabilities
Secunia: 61387

Misc.: 🔍
See also: 🔍


Created: 10/15/2014 10:41 AM
Updated: 02/21/2022 07:39 PM
Changes: 10/15/2014 10:41 AM (88), 06/08/2017 10:27 AM (3), 02/21/2022 07:32 PM (2), 02/21/2022 07:39 PM (1)
Complete: 🔍


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