Integer overflow in the JPEGImageReader implementation in the ImageI/O component 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 execute arbitrary code via large subsample dimensions in a JPEG file that triggers a heap-based buffer overflow, aka Bug Id 6874643.
The MessageDigest.isEqual function in Java Runtime Environment (JRE) in Sun Java SE in JDK and JRE 5.0 before Update 22, JDK and JRE 6 before Update 17, SDK and JRE 1.3.x before 1.3.1_27, and SDK and JRE 1.4.x before 1.4.2_24 allows remote attackers to spoof HMAC-based digital signatures, and possibly bypass authentication, via unspecified vectors related to "timing attack vulnerabilities," aka Bug Id 6863503.
Unspecified vulnerability in Sun Java SE in JDK and JRE 5.0 before Update 22, JDK and JRE 6 before Update 17, SDK and JRE 1.3.x before 1.3.1_27, and SDK and JRE 1.4.x before 1.4.2_24 allows remote attackers to cause a denial of service (memory consumption) via crafted DER encoded data, which is not properly decoded by the ASN.1 DER input stream parser, aka Bug Id 6864911.
Unspecified vulnerability in Sun Java SE in JDK and JRE 5.0 before Update 22, JDK and JRE 6 before Update 17, SDK and JRE 1.3.x before 1.3.1_27, and SDK and JRE 1.4.x before 1.4.2_24 allows remote attackers to cause a denial of service (memory consumption) via crafted HTTP headers, which are not properly parsed by the ASN.1 DER input stream parser, aka Bug Id 6864911.
Sun Java Web Start in JDK and JRE 5.0 Update 10 and earlier, and Java Web Start in SDK and JRE 1.4.2_13 and earlier, allows remote attackers to perform unauthorized actions via an application that grants privileges to itself, related to "Incorrect Use of System Classes" and probably related to support for JNLP files.