CVE-2021-33657

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

2.05% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 81.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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

2022-04-01 00:00Z4 YR AGO

Last updated

2024-08-03 23:58Z2 YR AGO

Reserved

2021-05-28

Assigning CNA

openEuler

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

d71150e5bf0dd003e5f395813277691b45b7a71a32a27f432e97b0434890c771

• github.comhttps://github.com/libsdl-org/SDL/commit/8c91cf7dba5193f5ce12d06db1336515851c9ee9
• lists.debian.org[debian-lts-announce] 20230208 [SECURITY] [DLA 3314-1] libsdl2 security updatehttps://lists.debian.org/debian-lts-announce/2023/02/msg00008.htmlmailing-list
• security.gentoo.orgGLSA-202305-18https://security.gentoo.org/glsa/202305-18vendor-advisory
• security.gentoo.orgGLSA-202305-17https://security.gentoo.org/glsa/202305-17vendor-advisory