VULNERABILITY INTELLIGENCE
CVE-2019-3561
CVSS score9.8 CRITICAL
EPSS probability1.71%
CISA KEVNot currently listed
Published2019-04-29
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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).
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
- CWE-125: Out-of-bounds Read
Primary references
- cve-assign@fb.com — Third Party Advisory
- cve-assign@fb.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory