CVE-2021-3933

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

0.84% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 57.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD analysis status

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

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2022-03-25 00:00Z4 YR AGO

Last updated

2024-08-03 17:09Z2 YR AGO

Reserved

2021-11-08

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-190Integer Overflow or WraparoundBase

Data version

5.1

Document digest

1d853d88d2b4c6c1011760ff1d3fa66c9ff09e64f8336766859da7dc376f2c77

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2019783
• lists.fedoraproject.orgFEDORA-2022-18e14f460chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I2JSMJ7HLWFPYYV7IAQZD5ZUUUN7RWBN/vendor-advisory
• security.gentoo.orgGLSA-202210-31https://security.gentoo.org/glsa/202210-31vendor-advisory
• www.debian.orgDSA-5299https://www.debian.org/security/2022/dsa-5299vendor-advisory
• lists.debian.org[debian-lts-announce] 20221211 [SECURITY] [DLA 3236-1] openexr security updatehttps://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlmailing-list