Highlights
Signature Verification Bypass: 2 prior fixes. Scrutinize any change in this area.
library/src/com/anjlab/android/iab/v3/BillingProcessor.java: most-fixed (1 issue). Treat as high-risk during review.
1 high-severity fix in this history; regressions here are high-impact.
Recurring patterns
The bug types that recur here, drawn from past fixes, not open vulnerabilities.
Signature Verification Bypass: An unsafe early return allowed signature verification to succeed implicitly and return true when the base64 public key configuration was null, completely bypassing cryptographic authenticity checks.
Signature Verification Bypass: A validation flaw existed in transaction processing where omitting a developer license or public key allowed unverified Google Play transactions to succeed implicitly without undergoing cryptographic validation.