CVE-2022-1286

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

1.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 67.6% 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:3.1/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

2022-04-10 10:40Z4 YR AGO

Last updated

2024-08-02 23:55Z2 YR AGO

Reserved

2022-04-09

Assigning CNA

@huntrdev

Record state

PUBLISHED

Severity

Medium (CVSS 5.9)

CNA CVSS vector

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

Weaknesses

• CWE-122Heap-based Buffer OverflowVariant
• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

ad69827a14601ec1a560189fef4eff6401faea7de2c4ec286c1dbf9ac8d4686c

• huntr.devhttps://huntr.dev/bounties/f918376e-b488-4113-963d-ffe8716e4189x_refsource_CONFIRM
• github.comhttps://github.com/mruby/mruby/commit/b1d0296a937fe278239bdfac840a3fd0e93b3ee9x_refsource_MISC