Infinite recursion in wddx in Facebook HHVM before 3.15.0 allows attackers to have…
Priority MEDIUM 46Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
Infinite recursion in wddx in Facebook HHVM before 3.15.0 allows attackers to have unspecified impact via unknown vectors.
Why it matters now
EPSS 0.02219 82nd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-6875
- 2026-10-03 Alias added: GHSA-hw97-vcq7-qrhf
References
More Meta Hhvm vulnerabilities
- TI-2018-04659 Improper input validation in Meta HHVM CVSS 3.1CRITICAL 9.8
- TI-2022-17147 Broken or risky cryptographic algorithm in Meta HHVM CVSS 3.1CRITICAL 9.8
- TI-2019-08934 Memory corruption in Meta HHVM CVSS 3.1CRITICAL 9.8
- TI-2021-06352 Heap-based buffer overflow in Meta folly CVSS 3.1CRITICAL 9.8
- TI-2019-08935 An invalid free in mb_detect_order can cause the application to crash or potentially… CVSS 3.1CRITICAL 9.8
- TI-2016-05898 Integer overflow in bcmath in Facebook HHVM before 3.15.0 allows attackers to have… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2016-6875 · CVE Program
- CVE-2016-6875 · NVD
- FIRST EPSS
- GHSA-hw97-vcq7-qrhf · GitHub Advisory Database · CC BY 4.0
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