CVE-2019-3561

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.71% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 76.9% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2019-04-29 15:32Z7 YR AGO

Last updated

2024-08-04 19:12Z2 YR AGO

Reserved

2019-01-02

Assigning CNA

facebook

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-125Out-of-bounds ReadBase

Data version

5.1

Document digest

f2f0e01f3697bd283af18bdadff7f13ca03ef5ea87c003ce3f8bbe5a9dc6eed2

• github.comhttps://github.com/facebook/hhvm/commit/46003b4ab564b2abcd8470035fc324fe36aa8c75x_refsource_MISC
• hhvm.comhttps://hhvm.com/blog/2019/04/03/hhvm-4.0.4.htmlx_refsource_MISC