CVE-2021-45943

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

1.54% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 74.7% 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

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

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

4592e4ee87648a87235a4d717b03b79a19029c110b55880717219458d34c8cfb

• github.comhttps://github.com/google/oss-fuzz-vulns/blob/main/vulns/gdal/OSV-2021-1651.yaml
• bugs.chromium.orghttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41993
• github.comhttps://github.com/OSGeo/gdal/commit/1ca6a3e5168c200763fa46d8aa7e698d0b757e7e
• github.comhttps://github.com/OSGeo/gdal/pull/4944
• lists.debian.org[debian-lts-announce] 20220112 [SECURITY] [DLA 2877-1] gdal security updatehttps://lists.debian.org/debian-lts-announce/2022/01/msg00004.htmlmailing-list
• lists.fedoraproject.orgFEDORA-2022-e85e37206bhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JBPJGXY7IYY65NVJBLP3RONXE7ZBVCNU/vendor-advisory
• lists.fedoraproject.orgFEDORA-2022-cffca5dbf4https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P23E4DEHY5FJCR5VJ46I6TO32DT7Y3T4/vendor-advisory
• www.oracle.comhttps://www.oracle.com/security-alerts/cpujul2022.html
• www.debian.orgDSA-5239https://www.debian.org/security/2022/dsa-5239vendor-advisory
• lists.debian.org[debian-lts-announce] 20220930 [SECURITY] [DLA 3129-1] gdal security updatehttps://lists.debian.org/debian-lts-announce/2022/09/msg00040.htmlmailing-list
• security.gentoo.orgGLSA-202210-15https://security.gentoo.org/glsa/202210-15vendor-advisory