OSV-2022-791 Security exception in java.base/java.util.Arrays.copyOf
A security exception in Java's Arrays.copyOf can cause a denial of service when processing large strings.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is OSV-2022-791?
OSV-2022-791 is a denial of service vulnerability in tomcat, published on 27 Aug 2022.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50631
Crash type: Security exception
Crash state:
java.base/java.util.Arrays.copyOf
java.base/java.lang.AbstractStringBuilder.ensureCapacityInternal
java.base/java.lang.AbstractStringBuilder.append
Which versions are affected by OSV-2022-791?
1 open source package ship an affected version, including tomcat.
| Package | Affected | Fixed in |
|---|---|---|
tomcat OSS-Fuzz | All versions | None |
How do I fix OSV-2022-791?
No fix has been published for OSV-2022-791 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-2022-791 being exploited?
There is no known exploitation of OSV-2022-791 in the wild and no public exploit code.