CVE-2026-84851- Uncontrolled recursion in the Ion reader in Amazon Ion-C before 1.1.6

Ion ยท 2026-10-21

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Technical Details

Affected Versions < 1.1.6
Regions all
CVE IDs CVE-2026-84851
Migration Required Yes
Cost Impact Neutral
IaC Impact High

What This Means

For DevOps Teams

Update applications using Amazon Ion-C to version 1.1.6 to address the uncontrolled recursion vulnerability (CVE-2026-84851) and prevent potential crashes due to stack overflow.

For Platform Teams

Deploy the updated Amazon Ion-C library with the enforced recursion depth limit to enhance application resilience against denial of service attacks.

For Executives

Implement the upgrade to Amazon Ion-C version 1.1.6 to mitigate the risk of denial of service attacks due to uncontrolled recursion, ensuring application stability and security.

Source

View original AWS announcement โ†’

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