// For flags

CVE-2012-5840

Mozilla: Use-after-free and buffer overflow issues found using Address Sanitizer (MFSA 2012-105)

Severity Score

9.3
*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Use-after-free vulnerability in the nsTextEditorState::PrepareEditor function in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors, a different vulnerability than CVE-2012-4214.

Vulnerabilidad de uso después de liberación en la función en la función nsTextEditorState::PrepareEditor en Mozilla Firefox antes de 17.0, Firefox ESR 10.x antes de 10.0.11, Thunderbird antes de 17,0, Thunderbird ESR 10.x antes de 10.0.11, y SeaMonkey antes de 2.14, permite a atacantes remotos ejecutar código arbitrario o causar una denegación de servicio (corrupción de memoria dinámica) a través de vectores no especificados, una vulnerabilidad diferente a CVE-2012-4214.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2012-11-05 CVE Reserved
  • 2012-11-20 CVE Published
  • 2024-04-18 EPSS Updated
  • 2024-08-06 CVE Updated
  • 2024-08-06 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-416: Use After Free
CAPEC
References (29)
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mozilla
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Firefox
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< 17.0
Search vendor "Mozilla" for product "Firefox" and version " < 17.0"
-
Affected
Mozilla
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Firefox Esr
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< 10.0.11
Search vendor "Mozilla" for product "Firefox Esr" and version " < 10.0.11"
-
Affected
Mozilla
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Seamonkey
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< 2.14
Search vendor "Mozilla" for product "Seamonkey" and version " < 2.14"
-
Affected
Mozilla
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Thunderbird
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< 17.0
Search vendor "Mozilla" for product "Thunderbird" and version " < 17.0"
-
Affected
Mozilla
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Thunderbird Esr
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< 10.0.11
Search vendor "Mozilla" for product "Thunderbird Esr" and version " < 10.0.11"
-
Affected
Opensuse
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Opensuse
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11.4
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-
Affected
Opensuse
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Opensuse
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12.1
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-
Affected
Opensuse
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Opensuse
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12.2
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-
Affected
Suse
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Linux Enterprise Desktop
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10
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sp4
Affected
Suse
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Linux Enterprise Desktop
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11
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sp2
Affected
Suse
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Linux Enterprise Server
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10
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sp4
Affected
Suse
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Linux Enterprise Server
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11
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sp2
Affected
Suse
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Linux Enterprise Server
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11
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sp2, vmware
Affected
Suse
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Linux Enterprise Software Development Kit
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10
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sp4
Affected
Suse
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Linux Enterprise Software Development Kit
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11
Search vendor "Suse" for product "Linux Enterprise Software Development Kit" and version "11"
sp2
Affected
Canonical
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Ubuntu Linux
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10.04
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-
Affected
Canonical
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Ubuntu Linux
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11.10
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-
Affected
Canonical
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Ubuntu Linux
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12.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"
esm
Affected
Canonical
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Ubuntu Linux
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12.10
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-
Affected
Redhat
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Enterprise Linux Desktop
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5.0
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-
Affected
Redhat
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Enterprise Linux Desktop
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6.0
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-
Affected
Redhat
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Enterprise Linux Eus
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6.3
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-
Affected
Redhat
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Enterprise Linux Server
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5.0
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-
Affected
Redhat
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Enterprise Linux Server
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6.0
Search vendor "Redhat" for product "Enterprise Linux Server" and version "6.0"
-
Affected
Redhat
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Enterprise Linux Workstation
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5.0
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-
Affected
Redhat
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Enterprise Linux Workstation
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6.0
Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "6.0"
-
Affected