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Critical 9.4Published Mar 23, 2026
CVE-2026-4738GDAL Bundled zlib (inftree9.c) Pointer Offset Optimization Undefined Behavior Allows Heap Corruption or Remote Code Execution
Updated under an hour ago ()
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It affects OSGeo gdal. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in OSGeo gdal (frmts/zlib/contrib/infback9 modules). This vulnerability is associated with program files inftree9.C. This issue affects gdal: before 3.11.0.
- CVSS
- 9.4 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/S:P/AU:Y/R:U/V:C/RE:L/U:Amber
- Weakness (CWE)
- CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GovTech CSG
- NVD analysis
- Awaiting Analysis
- Record last updated
- Mar 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
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