OSV-2021-558 Uncaught exception in java.base/java.nio.Buffer.<init>
An uncaught exception in Java NIO Buffer initialization can cause a denial of service, affecting applications using the Java standard library.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2021-558?
OSV-2021-558 is a denial of service vulnerability in jackson-core, published on 25 Mar 2021.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32399
Crash type: Uncaught exception
Crash state:
java.base/java.nio.Buffer.<init>
java.base/java.nio.CharBuffer.<init>
java.base/java.nio.HeapCharBuffer.<init>
Which versions are affected by OSV-2021-558?
1 open source package ship an affected version, including jackson-core.
| Package | Affected | Fixed in |
|---|---|---|
jackson-core OSS-Fuzz | All versions | None |
How do I fix OSV-2021-558?
No fix has been published for OSV-2021-558 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is OSV-2021-558 being exploited?
There is no known exploitation of OSV-2021-558 in the wild and no public exploit code.