OSV-2025-442 Security exception in org.jsoup.parser.HtmlTreeBuilder.process
A security exception in the Jsoup HTML parser can cause a denial of service when processing malformed HTML 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-2025-442?
OSV-2025-442 is a denial of service vulnerability in jsoup, published on 6 Jun 2025. 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=422516687
Crash type: Security exception
Crash state:
org.jsoup.parser.HtmlTreeBuilder.process
org.jsoup.parser.HtmlTreeBuilderState$8.process
org.jsoup.parser.TreeBuilder.currentElement
Which versions are affected by OSV-2025-442?
1 open source package ship an affected version, including jsoup.
| Package | Affected | Fixed in |
|---|---|---|
jsoup OSS-Fuzz | All versions | None |
How do I fix OSV-2025-442?
No fix has been published for OSV-2025-442 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-2025-442 being exploited?
There is no known exploitation of OSV-2025-442 in the wild and no public exploit code.