Summary
Window can read out of bounds if Read instance returns more bytes than buffer size
rdiff performs a diff of two provided strings or files. As part of its reading code it uses the return value of a Read instance to set the length of its internal character vector.
If the Read implementation claims that it has read more bytes than the length of the provided buffer, the length of the vector will be set to longer than its capacity. This causes rdiff APIs to return uninitialized memory in its API
methods.
Impact
Affected versions
Security releases
Kodem intelligence
Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.
Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter. Kodem's runtime-powered SCA identifies whether this CVE is reachable in your applications.
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Frequently Asked Questions
- What is GHSA-Q579-9WP9-GFP2? GHSA-Q579-9WP9-GFP2 is a high-severity security vulnerability in rdiff (rust), affecting versions <= 0.1.2. No fixed version is listed yet.
- Which versions of rdiff are affected by GHSA-Q579-9WP9-GFP2? rdiff (rust) versions <= 0.1.2 is affected.
- Is there a fix for GHSA-Q579-9WP9-GFP2? No fixed version is listed for GHSA-Q579-9WP9-GFP2 yet. Monitor the advisory for updates and apply mitigations in the interim.
- Is GHSA-Q579-9WP9-GFP2 exploitable, and should I be worried? Whether GHSA-Q579-9WP9-GFP2 is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
- What actually determines whether GHSA-Q579-9WP9-GFP2 is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.