GDAL 3.3.0 through 3.4.0 has a heap-based buffer overflow in…
Priority LOW 28CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
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).
Why it matters now
EPSS 0.0154 75th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:osgeo:gdal:*:*:*:*:*:*:*:* | 3.3.0 – 3.4.0 | Vulnerable | OSGeo |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 11.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 34 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 35 | Vulnerable | Fedoraproject |
| cpe:2.3:a:oracle:spatial_and_graph:19c:*:*:*:*:*:*:* | 19c | Vulnerable | Oracle |
| cpe:2.3:a:oracle:spatial_and_graph:21c:*:*:*:*:*:*:* | 21c | Vulnerable | Oracle |
- cpe:2.3:a:osgeo:gdal:*:*:*:*:*:*:*:* Versions 3.3.0 – 3.4.0 Vulnerable ·OSGeo
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
- cpe:2.3:a:oracle:spatial_and_graph:19c:*:*:*:*:*:*:* Versions 19c Vulnerable ·Oracle
- cpe:2.3:a:oracle:spatial_and_graph:21c:*:*:*:*:*:*:* Versions 21c Vulnerable ·Oracle
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2021-45943
- 2026-10-03 Alias added: GHSA-x54c-x29c-rpr5
References
Exploit 2
Patch 2
Advisory 7
Sources
- CVE-2021-45943 · CVE Program
- CVE-2021-45943 · NVD
- FIRST EPSS
- GHSA-x54c-x29c-rpr5 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-45943 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences