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CVE-2012-3966

CRITICAL
10.0
CVSS Severity Score
EPSS Score0.0740%
EPSS Percentile0.57th
PublishedAug 29, 2012
Last ModifiedApr 29, 2026

Vulnerability Description

Mozilla Firefox before 15.0, Firefox ESR 10.x before 10.0.7, Thunderbird before 15.0, Thunderbird ESR 10.x before 10.0.7, and SeaMonkey before 2.12 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a negative height value in a BMP image within a .ICO file, related to (1) improper handling of the transparency bitmask by the nsICODecoder component and (2) improper processing of the alpha channel by the nsBMPDecoder component.

Affected Platforms (CPE)

📦
Mozilla

Firefox

= 10.0
📦
Mozilla

Firefox

= 10.0.1
📦
Mozilla

Firefox

= 10.0.2
📦
Mozilla

Firefox

= 10.0.3
📦
Mozilla

Firefox

= 10.0.4
📦
Mozilla

Firefox

= 10.0.5
📦
Mozilla

Firefox

= 10.0.6
📦
Mozilla

Firefox

<= 14.0
📦
Mozilla

Firefox

= 1.0
📦
Mozilla

Firefox

= 1.0
📦
Mozilla

Firefox

= 1.0.1
📦
Mozilla

Firefox

= 1.0.2
📦
Mozilla

Firefox

= 1.0.3
📦
Mozilla

Firefox

= 1.0.4
📦
Mozilla

Firefox

= 1.0.5
📦
Mozilla

Firefox

= 1.0.6
📦
Mozilla

Firefox

= 1.0.7
📦
Mozilla

Firefox

= 1.0.8
📦
Mozilla

Firefox

= 1.4.1
📦
Mozilla

Firefox

= 1.5
📦
Mozilla

Firefox

= 1.5
📦
Mozilla

Firefox

= 1.5
📦
Mozilla

Firefox

= 1.5.0.1
📦
Mozilla

Firefox

= 1.5.0.2
📦
Mozilla

Firefox

= 1.5.0.3
📦
Mozilla

Firefox

= 1.5.0.4
📦
Mozilla

Firefox

= 1.5.0.5
📦
Mozilla

Firefox

= 1.5.0.6
📦
Mozilla

Firefox

= 1.5.0.7
📦
Mozilla

Firefox

= 1.5.0.8
📦
Mozilla

Firefox

= 1.5.0.9
📦
Mozilla

Firefox

= 1.5.0.10
📦
Mozilla

Firefox

= 1.5.0.11
📦
Mozilla

Firefox

= 1.5.0.12
📦
Mozilla

Firefox

= 1.5.1
📦
Mozilla

Firefox

= 1.5.2
📦
Mozilla

Firefox

= 1.5.3
📦
Mozilla

Firefox

= 1.5.4
📦
Mozilla

Firefox

= 1.5.5
📦
Mozilla

Firefox

= 1.5.6
📦
Mozilla

Firefox

= 1.5.7
📦
Mozilla

Firefox

= 1.5.8
📦
Mozilla

Firefox

= 1.8
📦
Mozilla

Firefox

= 2.0
📦
Mozilla

Firefox

= 2.0.0.1
📦
Mozilla

Firefox

= 2.0.0.2
📦
Mozilla

Firefox

= 2.0.0.3
📦
Mozilla

Firefox

= 2.0.0.4
📦
Mozilla

Firefox

= 2.0.0.5
📦
Mozilla

Firefox

= 2.0.0.6
📦
Mozilla

Firefox

= 2.0.0.7
📦
Mozilla

Firefox

= 2.0.0.8
📦
Mozilla

Firefox

= 2.0.0.9
📦
Mozilla

Firefox

= 2.0.0.10
📦
Mozilla

Firefox

= 2.0.0.11
📦
Mozilla

Firefox

= 2.0.0.12
📦
Mozilla

Firefox

= 2.0.0.13
📦
Mozilla

Firefox

= 2.0.0.14
📦
Mozilla

Firefox

= 2.0.0.15
📦
Mozilla

Firefox

= 2.0.0.16
📦
Mozilla

Firefox

= 2.0.0.17
📦
Mozilla

Firefox

= 2.0.0.18
📦
Mozilla

Firefox

= 2.0.0.19
📦
Mozilla

Firefox

= 2.0.0.20
📦
Mozilla

Firefox

= 3.0
📦
Mozilla

Firefox

= 3.0.1
📦
Mozilla

Firefox

= 3.0.2
📦
Mozilla

Firefox

= 3.0.3
📦
Mozilla

Firefox

= 3.0.4
📦
Mozilla

Firefox

= 3.0.5
📦
Mozilla

Firefox

= 3.0.6
📦
Mozilla

Firefox

= 3.0.7
📦
Mozilla

Firefox

= 3.0.8
📦
Mozilla

Firefox

= 3.0.9
📦
Mozilla

Firefox

= 3.0.10
📦
Mozilla

Firefox

= 3.0.11
📦
Mozilla

Firefox

= 3.0.12
📦
Mozilla

Firefox

= 3.0.13
📦
Mozilla

Firefox

= 3.0.14
📦
Mozilla

Firefox

= 3.0.15
📦
Mozilla

Firefox

= 3.0.16
📦
Mozilla

Firefox

= 3.0.17
📦
Mozilla

Firefox

= 3.5
📦
Mozilla

Firefox

= 3.5.1
📦
Mozilla

Firefox

= 3.5.2
📦
Mozilla

Firefox

= 3.5.3
📦
Mozilla

Firefox

= 3.5.4
📦
Mozilla

Firefox

= 3.5.5
📦
Mozilla

Firefox

= 3.5.6
📦
Mozilla

Firefox

= 3.5.7
📦
Mozilla

Firefox

= 3.5.8
📦
Mozilla

Firefox

= 3.5.9
📦
Mozilla

Firefox

= 3.5.10
📦
Mozilla

Firefox

= 3.5.11
📦
Mozilla

Firefox

= 3.5.12
📦
Mozilla

Firefox

= 3.5.13
📦
Mozilla

Firefox

= 3.5.14
📦
Mozilla

Firefox

= 3.5.15
📦
Mozilla

Firefox

= 3.6
📦
Mozilla

Firefox

= 3.6.2
📦
Mozilla

Firefox

= 3.6.3
📦
Mozilla

Firefox

= 3.6.4
📦
Mozilla

Firefox

= 3.6.6
📦
Mozilla

Firefox

= 3.6.7
📦
Mozilla

Firefox

= 3.6.8
📦
Mozilla

Firefox

= 3.6.9
📦
Mozilla

Firefox

= 3.6.10
📦
Mozilla

Firefox

= 3.6.11
📦
Mozilla

Firefox

= 3.6.12
📦
Mozilla

Firefox

= 3.6.13
📦
Mozilla

Firefox

= 3.6.14
📦
Mozilla

Firefox

= 3.6.15
📦
Mozilla

Firefox

= 3.6.16
📦
Mozilla

Firefox

= 3.6.17
📦
Mozilla

Firefox

= 3.6.18
📦
Mozilla

Firefox

= 3.6.19
📦
Mozilla

Firefox

= 3.6.20
📦
Mozilla

Firefox

= 3.6.21
📦
Mozilla

Firefox

= 3.6.22
📦
Mozilla

Firefox

= 3.6.23
📦
Mozilla

Firefox

= 3.6.24
📦
Mozilla

Firefox

= 3.6.25
📦
Mozilla

Firefox

= 4.0
📦
Mozilla

Firefox

= 4.0
📦
Mozilla

Firefox

= 4.0
📦
Mozilla

Firefox

= 4.0
📦
Mozilla

Firefox

= 4.0
📦
Mozilla

Firefox

= 4.0
📦
Mozilla

Firefox

= 4.0
📦
Mozilla

Firefox

= 4.0
📦
Mozilla

Firefox

= 4.0
📦
Mozilla

Firefox

= 4.0
📦
Mozilla

Firefox

= 4.0
📦
Mozilla

Firefox

= 4.0
📦
Mozilla

Firefox

= 4.0
📦
Mozilla

Firefox

= 4.0.1
📦
Mozilla

Firefox

= 5.0
📦
Mozilla

Firefox

= 5.0.1
📦
Mozilla

Firefox

= 6.0
📦
Mozilla

Firefox

= 6.0.1
📦
Mozilla

Firefox

= 6.0.2
📦
Mozilla

Firefox

= 7.0
📦
Mozilla

Firefox

= 7.0.1
📦
Mozilla

Firefox

= 8.0
📦
Mozilla

Firefox

= 8.0.1
📦
Mozilla

Firefox

= 9.0
📦
Mozilla

Firefox

= 9.0.1
📦
Mozilla

Firefox

= 11.0
📦
Mozilla

Firefox

= 12.0
📦
Mozilla

Firefox

= 12.0
📦
Mozilla

Firefox

= 13.0
📦
Mozilla

Thunderbird

<= 14.0
📦
Mozilla

Thunderbird

= 1.0
📦
Mozilla

Thunderbird

= 1.0.1
📦
Mozilla

Thunderbird

= 1.0.2
📦
Mozilla

Thunderbird

= 1.0.3
📦
Mozilla

Thunderbird

= 1.0.4
📦
Mozilla

Thunderbird

= 1.0.5
📦
Mozilla

Thunderbird

= 1.0.5
📦
Mozilla

Thunderbird

= 1.0.6
📦
Mozilla

Thunderbird

= 1.0.7
📦
Mozilla

Thunderbird

= 1.0.8
📦
Mozilla

Thunderbird

= 1.5
📦
Mozilla

Thunderbird

= 1.5
📦
Mozilla

Thunderbird

= 1.5.0.1
📦
Mozilla

Thunderbird

= 1.5.0.2
📦
Mozilla

Thunderbird

= 1.5.0.3
📦
Mozilla

Thunderbird

= 1.5.0.4
📦
Mozilla

Thunderbird

= 1.5.0.5
📦
Mozilla

Thunderbird

= 1.5.0.6
📦
Mozilla

Thunderbird

= 1.5.0.7
📦
Mozilla

Thunderbird

= 1.5.0.8
📦
Mozilla

Thunderbird

= 1.5.0.9
📦
Mozilla

Thunderbird

= 1.5.0.10
📦
Mozilla

Thunderbird

= 1.5.0.11
📦
Mozilla

Thunderbird

= 1.5.0.12
📦
Mozilla

Thunderbird

= 1.5.0.13
📦
Mozilla

Thunderbird

= 1.5.0.14
📦
Mozilla

Thunderbird

= 1.5.1
📦
Mozilla

Thunderbird

= 1.5.2
📦
Mozilla

Thunderbird

= 1.7.1
📦
Mozilla

Thunderbird

= 1.7.3
📦
Mozilla

Thunderbird

= 2.0
📦
Mozilla

Thunderbird

= 2.0.0.0
📦
Mozilla

Thunderbird

= 2.0.0.1
📦
Mozilla

Thunderbird

= 2.0.0.2
📦
Mozilla

Thunderbird

= 2.0.0.3
📦
Mozilla

Thunderbird

= 2.0.0.4
📦
Mozilla

Thunderbird

= 2.0.0.5
📦
Mozilla

Thunderbird

= 2.0.0.6
📦
Mozilla

Thunderbird

= 2.0.0.7
📦
Mozilla

Thunderbird

= 2.0.0.8
📦
Mozilla

Thunderbird

= 2.0.0.9
📦
Mozilla

Thunderbird

= 2.0.0.11
📦
Mozilla

Thunderbird

= 2.0.0.12
📦
Mozilla

Thunderbird

= 2.0.0.13
📦
Mozilla

Thunderbird

= 2.0.0.14
📦
Mozilla

Thunderbird

= 2.0.0.15
📦
Mozilla

Thunderbird

= 2.0.0.16
📦
Mozilla

Thunderbird

= 2.0.0.17
📦
Mozilla

Thunderbird

= 2.0.0.18
📦
Mozilla

Thunderbird

= 2.0.0.19
📦
Mozilla

Thunderbird

= 2.0.0.20
📦
Mozilla

Thunderbird

= 2.0.0.21
📦
Mozilla

Thunderbird

= 2.0.0.22
📦
Mozilla

Thunderbird

= 2.0.0.23
📦
Mozilla

Thunderbird

= 3.0
📦
Mozilla

Thunderbird

= 3.0.1
📦
Mozilla

Thunderbird

= 3.0.2
📦
Mozilla

Thunderbird

= 3.0.3
📦
Mozilla

Thunderbird

= 3.0.4
📦
Mozilla

Thunderbird

= 3.0.5
📦
Mozilla

Thunderbird

= 3.0.6
📦
Mozilla

Thunderbird

= 3.0.7
📦
Mozilla

Thunderbird

= 3.0.8
📦
Mozilla

Thunderbird

= 3.0.9
📦
Mozilla

Thunderbird

= 3.0.10
📦
Mozilla

Thunderbird

= 3.0.11
📦
Mozilla

Thunderbird

= 3.1
📦
Mozilla

Thunderbird

= 3.1.1
📦
Mozilla

Thunderbird

= 3.1.2
📦
Mozilla

Thunderbird

= 3.1.3
📦
Mozilla

Thunderbird

= 3.1.4
📦
Mozilla

Thunderbird

= 3.1.5
📦
Mozilla

Thunderbird

= 3.1.6
📦
Mozilla

Thunderbird

= 3.1.7
📦
Mozilla

Thunderbird

= 3.1.8
📦
Mozilla

Thunderbird

= 3.1.9
📦
Mozilla

Thunderbird

= 3.1.10
📦
Mozilla

Thunderbird

= 3.1.11
📦
Mozilla

Thunderbird

= 3.1.12
📦
Mozilla

Thunderbird

= 3.1.13
📦
Mozilla

Thunderbird

= 3.1.14
📦
Mozilla

Thunderbird

= 3.1.15
📦
Mozilla

Thunderbird

= 3.1.16
📦
Mozilla

Thunderbird

= 3.1.17
📦
Mozilla

Thunderbird

= 5.0
📦
Mozilla

Thunderbird

= 6.0
📦
Mozilla

Thunderbird

= 6.0.1
📦
Mozilla

Thunderbird

= 6.0.2
📦
Mozilla

Thunderbird

= 7.0
📦
Mozilla

Thunderbird

= 7.0.1
📦
Mozilla

Thunderbird

= 8.0
📦
Mozilla

Thunderbird

= 9.0
📦
Mozilla

Thunderbird

= 9.0.1
📦
Mozilla

Thunderbird

= 10.0
📦
Mozilla

Thunderbird

= 10.0.1
📦
Mozilla

Thunderbird

= 10.0.2
📦
Mozilla

Thunderbird

= 10.0.3
📦
Mozilla

Thunderbird

= 10.0.4
📦
Mozilla

Thunderbird

= 11.0
📦
Mozilla

Thunderbird

= 12.0
📦
Mozilla

Thunderbird

= 13.0
📦
Mozilla

Seamonkey

<= 2.11
📦
Mozilla

Seamonkey

= 2.0
📦
Mozilla

Seamonkey

= 2.0
📦
Mozilla

Seamonkey

= 2.0
📦
Mozilla

Seamonkey

= 2.0
📦
Mozilla

Seamonkey

= 2.0
📦
Mozilla

Seamonkey

= 2.0
📦
Mozilla

Seamonkey

= 2.0
📦
Mozilla

Seamonkey

= 2.0
📦
Mozilla

Seamonkey

= 2.0.1
📦
Mozilla

Seamonkey

= 2.0.2
📦
Mozilla

Seamonkey

= 2.0.3
📦
Mozilla

Seamonkey

= 2.0.4
📦
Mozilla

Seamonkey

= 2.0.5
📦
Mozilla

Seamonkey

= 2.0.6
📦
Mozilla

Seamonkey

= 2.0.7
📦
Mozilla

Seamonkey

= 2.0.8
📦
Mozilla

Seamonkey

= 2.0.9
📦
Mozilla

Seamonkey

= 2.0.10
📦
Mozilla

Seamonkey

= 2.0.11
📦
Mozilla

Seamonkey

= 2.0.12
📦
Mozilla

Seamonkey

= 2.0.13
📦
Mozilla

Seamonkey

= 2.0.14
📦
Mozilla

Seamonkey

= 2.1
📦
Mozilla

Seamonkey

= 2.1
📦
Mozilla

Seamonkey

= 2.1
📦
Mozilla

Seamonkey

= 2.1
📦
Mozilla

Seamonkey

= 2.1
📦
Mozilla

Seamonkey

= 2.1
📦
Mozilla

Seamonkey

= 2.1
📦
Mozilla

Seamonkey

= 2.1
📦
Mozilla

Seamonkey

= 2.1
📦
Mozilla

Seamonkey

= 2.2
📦
Mozilla

Seamonkey

= 2.2
📦
Mozilla

Seamonkey

= 2.2
📦
Mozilla

Seamonkey

= 2.2
📦
Mozilla

Seamonkey

= 2.3
📦
Mozilla

Seamonkey

= 2.3
📦
Mozilla

Seamonkey

= 2.3
📦
Mozilla

Seamonkey

= 2.3
📦
Mozilla

Seamonkey

= 2.3.1
📦
Mozilla

Seamonkey

= 2.3.2
📦
Mozilla

Seamonkey

= 2.3.3
📦
Mozilla

Seamonkey

= 2.4
📦
Mozilla

Seamonkey

= 2.4
📦
Mozilla

Seamonkey

= 2.4
📦
Mozilla

Seamonkey

= 2.4
📦
Mozilla

Seamonkey

= 2.4.1
📦
Mozilla

Seamonkey

= 2.5
📦
Mozilla

Seamonkey

= 2.5
📦
Mozilla

Seamonkey

= 2.5
📦
Mozilla

Seamonkey

= 2.5
📦
Mozilla

Seamonkey

= 2.5
📦
Mozilla

Seamonkey

= 2.6
📦
Mozilla

Seamonkey

= 2.6
📦
Mozilla

Seamonkey

= 2.6
📦
Mozilla

Seamonkey

= 2.6
📦
Mozilla

Seamonkey

= 2.6
📦
Mozilla

Seamonkey

= 2.6.1
📦
Mozilla

Seamonkey

= 2.7
📦
Mozilla

Seamonkey

= 2.7
📦
Mozilla

Seamonkey

= 2.7
📦
Mozilla

Seamonkey

= 2.7
📦
Mozilla

Seamonkey

= 2.7
📦
Mozilla

Seamonkey

= 2.7
📦
Mozilla

Seamonkey

= 2.7.1
📦
Mozilla

Seamonkey

= 2.7.2
📦
Mozilla

Seamonkey

= 2.8
📦
Mozilla

Seamonkey

= 2.8
📦
Mozilla

Seamonkey

= 2.8
📦
Mozilla

Seamonkey

= 2.8
📦
Mozilla

Seamonkey

= 2.8
📦
Mozilla

Seamonkey

= 2.8
📦
Mozilla

Seamonkey

= 2.8
📦
Mozilla

Seamonkey

= 2.9
📦
Mozilla

Seamonkey

= 2.9
📦
Mozilla

Seamonkey

= 2.9
📦
Mozilla

Seamonkey

= 2.9
📦
Mozilla

Seamonkey

= 2.10
📦
Mozilla

Thunderbird Esr

= 10.0
📦
Mozilla

Thunderbird Esr

= 10.0.1
📦
Mozilla

Thunderbird Esr

= 10.0.2
📦
Mozilla

Thunderbird Esr

= 10.0.3
📦
Mozilla

Thunderbird Esr

= 10.0.4
📦
Mozilla

Thunderbird Esr

= 10.0.5
📦
Mozilla

Thunderbird Esr

= 10.0.6

References & Advisories

Related Vulnerabilities