Why Spring’s Latest RCE 0‑Day Skips Java 8 – A Security Deep‑Dive
The author humorously explores a newly disclosed Spring framework RCE 0‑day vulnerability caused by Java serialization, explains why systems running JDK 8 or earlier are unaffected, compares its impact to Log4j2, and warns against indiscriminate JDK upgrades.
Spring framework recently disclosed a critical remote code execution (RCE) 0‑day vulnerability.
The issue, identified as RCE 0 Day #28248, stems from the use of SerializationUtils.deserialize in Java’s serialization mechanism.
Security media FreeBuf rated the vulnerability as danger , indicating a high risk for widely deployed Spring applications.
Fortunately, the exploit does not affect environments running JDK 8 or earlier, so systems still on Java 8 remain safe.
The author verified this by running java -version on a server, confirming the JDK version.
Compared to the infamous Log4j2 vulnerability, this Spring flaw is less severe but still noteworthy.
The article concludes with a reminder: avoid unnecessary JDK upgrades without assessing compatibility, as newer versions may be vulnerable.
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Su San Talks Tech
Su San, former staff at several leading tech companies, is a top creator on Juejin and a premium creator on CSDN, and runs the free coding practice site www.susan.net.cn.
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