Remote Code Execution Vulnerability in HHVM by Facebook
CVE-2019-11930

9.8CRITICAL

Key Information:

Vendor

Facebook

Status
Hhvm
Vendor
CVE Published:
4 December 2019

What is CVE-2019-11930?

An invalid memory deallocation in the mb_detect_order function within HHVM can lead to application instability and potential remote code execution. Affected versions are notably vulnerable, and it's crucial for users to upgrade to the latest secure versions to mitigate risks.

Affected Version(s)

HHVM 4.28.2

HHVM 4.28.0

HHVM 4.27.1

References

https://github.com/facebook/hhvm/commit/524d2e60cfe910406...
x_refsource_CONFIRM
https://hhvm.com/blog/2019/10/28/security-update.html
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https://www.facebook.com/security/advisories/cve-2019-11930
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.