CVE-2025-12829

An uninitialized stack read issue exists in Amazon Ion-C versions v1.1.4 that may allow a threat actor to craft data and serialize it to Ion text in such a way that sensitive data in memory could be exposed through UTF-8 escape sequences. To mitigate this issue, users should upgrade to version...

CVE-2023-20768

In ion, there is a possible out of bounds read due to type confusion. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07560720; Issue ID: ALPS07559800...

CVE-2023-20623

In ion, there is a possible escalation of privilege due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07559778; Issue ID: ALPS07559778...

CVE-2022-20111

In ion, there is a possible use after free due to incorrect error handling. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06366069; Issue ID: ALPS06366069...

CVE-2022-20110

In ion, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06399915; Issue ID: ALPS06399901...