Race condition in Apache NetBeans HTML/Java API
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
There exists a race condition between the deletion of the temporary file and the creation of the temporary directory in `webkit` subproject of HTML/Java API version 1.7. A similar vulnerability has recently been disclosed in other Java projects and the fix in HTML/Java API version 1.7.1 follows theirs: To avoid local privilege escalation version 1.7.1 creates the temporary directory atomically without dealing with the temporary file: https://github.com/apache/netbeans-html4j/commit/fa70e507e5555e1adb4f6518479fc408a7abd0e6
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Apache NetBeans HTML/Java API | v1.7 | — | No fix listed | CNA |
| — | org.netbeans.html:pom (Maven) | before 1.7.1 | 1.7.1 | Patch available | GHSA-ppc3-fpvh-7396 |
- Apache NetBeans HTML/Java API Vendor— Affected v1.7 Fixed in — No fix listed CNA
- org.netbeans.html:pom (Maven) Vendor— Affected before 1.7.1 Fixed in 1.7.1 Patch available GHSA-ppc3-fpvh-7396
Remediation
- Fix · GHSA-ppc3-fpvh-7396 org.netbeans.html:pom (Maven) Fixed in 1.7.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-17534
- 2026-10-03 Alias added: GHSA-ppc3-fpvh-7396
References
Sources
- CVE-2020-17534 · CVE Program
- CVE-2020-17534 · NVD
- FIRST EPSS
- GHSA-ppc3-fpvh-7396 · GitHub Advisory Database · CC BY 4.0
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