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CVE-2012-3966

UnknownEPSS 5.19%

Last modified

CVE-2012-3966 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 5.19% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
5.19%

91.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MozillaFirefox10.0
MozillaFirefox10.0.1
MozillaFirefox10.0.2
MozillaFirefox10.0.3
MozillaFirefox10.0.4
MozillaFirefox10.0.5
MozillaFirefox10.0.6
MozillaFirefox<= 14.0
MozillaFirefox1.0
MozillaFirefox1.0.1
MozillaFirefox1.0.2
MozillaFirefox1.0.3
MozillaFirefox1.0.4
MozillaFirefox1.0.5
MozillaFirefox1.0.6
MozillaFirefox1.0.7
MozillaFirefox1.0.8
MozillaFirefox1.4.1
MozillaFirefox1.5
MozillaFirefox1.5.0.1
MozillaFirefox1.5.0.2
MozillaFirefox1.5.0.3
MozillaFirefox1.5.0.4
MozillaFirefox1.5.0.5
MozillaFirefox1.5.0.6
MozillaFirefox1.5.0.7
MozillaFirefox1.5.0.8
MozillaFirefox1.5.0.9
MozillaFirefox1.5.0.10
MozillaFirefox1.5.0.11
MozillaFirefox1.5.0.12
MozillaFirefox1.5.1
MozillaFirefox1.5.2
MozillaFirefox1.5.3
MozillaFirefox1.5.4
MozillaFirefox1.5.5
MozillaFirefox1.5.6
MozillaFirefox1.5.7
MozillaFirefox1.5.8
MozillaFirefox1.8
MozillaFirefox2.0
MozillaFirefox2.0.0.1
MozillaFirefox2.0.0.2
MozillaFirefox2.0.0.3
MozillaFirefox2.0.0.4
MozillaFirefox2.0.0.5
MozillaFirefox2.0.0.6
MozillaFirefox2.0.0.7
MozillaFirefox2.0.0.8
MozillaFirefox2.0.0.9

Showing 50 of 275 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2012-3966?
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.
How severe is CVE-2012-3966?
Severity scoring for CVE-2012-3966 is pending analysis. The EPSS model estimates a 5.19% probability of exploitation in the next 30 days.
How do I fix CVE-2012-3966?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2012-3966?

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Source: NVD / NIST