CVE Catalog

CVE-2026-104020

HighCVSS 7.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.44%

36th percentile - higher than 36% of all known CVEs

Summary

Uncontrolled recursion in the Ion reader in Amazon Ion Python before 0.15.0 might allow a remote unauthenticated actor to crash the application using the library, resulting in a denial of service, via a crafted, deeply nested Ion value.

Risk Assessment

An attacker could cause a denial of service (DoS) in an application processing Ion data, causing it to hang or crash.

Recommendation

Upgrade Amazon Ion Python to version 0.15.0 or later.

Related vulnerabilities

Original NVD description (English source)

Uncontrolled recursion in the Ion reader in Amazon Ion Python before 0.15.0 might allow a remote unauthenticated actor to crash the application using the library, resulting in a denial of service, via a crafted, deeply nested Ion value. To remediate this issue, users should upgrade to version 0.15.0 or later.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS