What’s Vulnerable › Vulnerabilities

CVE-2021-45943

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-01 · updated 2026-06-17
• Weakness: CWE-787

Description

GDAL 3.3.0 through 3.4.0 has a heap-based buffer overflow in PCIDSK::CPCIDSKFile::ReadFromFile (called from PCIDSK::CPCIDSKSegment::ReadFromFile and PCIDSK::CPCIDSKBinarySegment::CPCIDSKBinarySegment).

Affected products

• Debian Linux: 9.0, 10.0, 11.0
• Fedoraproject Fedora: 34, 35
• Oracle Spatial And Graph: 19c, 21c
• OSGeo gdal: from 3.3.0 through 3.4.0

References

• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41993
• https://github.com/OSGeo/gdal/commit/1ca6a3e5168c200763fa46d8aa7e698d0b757e7e
• https://github.com/OSGeo/gdal/pull/4944
• https://github.com/google/oss-fuzz-vulns/blob/main/vulns/gdal/OSV-2021-1651.yaml
• https://lists.debian.org/debian-lts-announce/2022/01/msg00004.html
• https://lists.debian.org/debian-lts-announce/2022/09/msg00040.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JBPJGXY7IYY65NVJBLP3RONXE7ZBVCNU/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P23E4DEHY5FJCR5VJ46I6TO32DT7Y3T4/
• https://security.gentoo.org/glsa/202210-15
• https://www.debian.org/security/2022/dsa-5239
• https://www.oracle.com/security-alerts/cpujul2022.html
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41993

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