OSV-2023-962 Security exception in java.base/java.util.regex.Pattern$GroupHead.match
A security exception in the Java regex engine can cause a denial of service when processing crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2023-962?
OSV-2023-962 is a denial of service vulnerability in apache-commons-io, published on 5 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=62976
Crash type: Security exception
Crash state:
java.base/java.util.regex.Pattern$GroupHead.match
java.base/java.util.regex.Pattern$Loop.match
java.base/java.util.regex.Pattern$GroupTail.match
Which versions are affected by OSV-2023-962?
1 open source package ship an affected version, including apache-commons-io.
| Package | Affected | Fixed in |
|---|---|---|
apache-commons-io OSS-Fuzz | All versions | None |
How do I fix OSV-2023-962?
No fix has been published for OSV-2023-962 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-2023-962 being exploited?
There is no known exploitation of OSV-2023-962 in the wild and no public exploit code.