CVE-2021-29096: ArcGIS general raster security update: use-after-free

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-03-25 · updated 2026-06-17
Weakness: CWE-416

Description

A use-after-free vulnerability when parsing a specially crafted file in Esri ArcReader, ArcGIS Desktop, ArcGIS Engine 10.8.1 (and earlier) and ArcGIS Pro 2.7 (and earlier) allows an unauthenticated attacker to achieve arbitrary code execution in the context of the current user.

Affected products

Esri ArcGIS Engine: through 10.8.1
Esri ArcGIS Pro: through 2.7
Esri Arcmap: through 10.8.1
Esri ArcReader: through 10.8.1

References

https://www.esri.com/arcgis-blog/products/arcgis/administration/security-advisory-general-raster/
https://www.zerodayinitiative.com/advisories/ZDI-21-370/
https://www.esri.com/arcgis-blog/products/arcgis/administration/security-advisory-general-raster/
https://www.zerodayinitiative.com/advisories/ZDI-21-370/

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