CVE-2021-45942

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

1.82% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 78.6% 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

2021-12-31 00:00Z4 YR AGO

Last updated

2024-08-04 04:54Z2 YR AGO

Reserved

2021-12-31

Assigning CNA

mitre

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

3ef4bd2d8c79f1d66b5ed018cf1afa512aef10c8f653ac11861fd887984c1cbd

• github.comhttps://github.com/google/oss-fuzz-vulns/blob/main/vulns/openexr/OSV-2021-1627.yaml
• bugs.chromium.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41416
• github.comhttps://github.com/AcademySoftwareFoundation/openexr/commit/db217f29dfb24f6b4b5100c24ac5e7490e1c57d0
• github.comhttps://github.com/AcademySoftwareFoundation/openexr/pull/1209
• github.comhttps://github.com/AcademySoftwareFoundation/openexr/commit/11cad77da87c4fa2aab7d58dd5339e254db7937e
• github.comhttps://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.1.4
• github.comhttps://github.com/AcademySoftwareFoundation/openexr/blob/v3.1.4/CHANGES.md#version-314-january-26-2022
• lists.fedoraproject.orgFEDORA-2022-89c31c0a0chttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJ5PW4WNXBKCRFGDZGAQOSVH2BKZKL4X/vendor-advisory
• lists.fedoraproject.orgFEDORA-2022-b0a85ed1b3https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XJUK7WIQV5EKWTCZBRXFN6INHG6MLS5O/vendor-advisory
• lists.fedoraproject.orgFEDORA-2022-f2e0d16c90https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6TEZDE2S2DB4BF4LZSSV4W3DNW7DSRHJ/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