CVE-2013-4578: Oracle JDK

Medium severity, CVSS 5.3. EPSS: 2.5% chance of exploitation in the next 30 days.

jarsigner in OpenJDK and Oracle Java SE before 7u51 allows remote attackers to bypass a code-signing protection mechanism and inject unsigned bytecode into a signed JAR file by leveraging improper file validation.

Affected products

• Oracle JDK: version 1.7.0 only; up to and including 1.7.0
• Oracle JRE: version 1.7.0 only; up to and including 1.7.0

Published 2017-12-29. Last modified 2026-06-16.