1. Home
  2. CVE Database
  3. CVE-2019-3561
CRITICAL · 9.8

CVE-2019-3561

Insufficient boundary checks for the strrpos and strripos functions allow access to out-of-bounds memory. This affects all supported versions of HHVM (4.0.3, 3.30.4, and 3.27.7 and below).

Vulnerability Description

Insufficient boundary checks for the strrpos and strripos functions allow access to out-of-bounds memory. This affects all supported versions of HHVM (4.0.3, 3.30.4, and 3.27.7 and below).

CVSS Score

9.8

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
FacebookHhvm<= 3.27.7

Related Weaknesses (CWE)

CWE-119CWE-125

References

FAQ

What is CVE-2019-3561?

CVE-2019-3561 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Insufficient boundary checks for the strrpos and strripos functions allow access to out-of-bounds memory. This affects all supported versions of HHVM (4.0.3, 3.30.4, and 3.27.7 and below).

How severe is CVE-2019-3561?

CVE-2019-3561 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2019-3561?

Check the references section above for vendor advisories and patch information. Affected products include: Facebook Hhvm.