BIT-gdal-2026-4738

vendorUSosv

GDAL Bundled zlib (inftree9.c) Pointer Offset Optimization Undefined Behavior Allows Heap Corruption or Remote Code Execution

view advisory published 2026-09-29Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-4738US	—	0.26% (18th)	—	2026-03-24
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 pro…

references

External citations — patches, advisories, analysis.

https://github.com/OSGeo/gdal/pull/12244WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-4738WEB

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