CVE-2025-52473
BaseFortify
Publication date: 2025-07-10
Last updated on: 2025-08-22
Assigner: GitHub, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| openquantumsafe | liboqs | to 0.14.0 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-200 | The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. |
| CWE-NVD-CWE-noinfo |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in the liboqs cryptographic library's implementation of the HQC key encapsulation mechanism. When compiled with Clang at optimization levels above -O0, secret-dependent branches in the code can be exploited by a local attacker to recover the entire secret key.
How can this vulnerability impact me? :
An attacker with local access can exploit this vulnerability to recover the entire secret key used in the HQC key encapsulation mechanism, potentially compromising the confidentiality of encrypted communications or data protected by this key.
What immediate steps should I take to mitigate this vulnerability?
Update liboqs to version 0.14.0 or later, where this vulnerability is fixed. Avoid using builds compiled with Clang at optimization levels above -O0 for the HQC key encapsulation mechanism until the update is applied.