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CVE 2009-3873

The JPEG Image Writer in Sun Java SE in JDK and JRE 5.0 before Update 22, JDK and JRE 6 before Update 17, and SDK and JRE 1.4.x before 1.4.2_24 allows remote attackers to gain privileges via a crafted image file, related to a "quantization problem," aka Bug Id 6862968.

See the CVE page on Mitre.org for more details.