CVE-2026-2681
BaseFortify
Publication date: 2026-02-19
Last updated on: 2026-02-19
Assigner: Fedora Project
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a flaw in the blst cryptographic library involving an out-of-bounds stack write in the blst_sha256_bcopy assembly routine. It happens because there is no guard against a zero-length salt parameter when key generation functions like blst_keygen_v5() are called. If an attacker remotely provides a zero-length salt, it can cause memory corruption.
The result of this flaw is that the process using the library can terminate immediately due to this memory corruption, causing a denial-of-service (DoS) condition.
How can this vulnerability impact me? :
The primary impact of this vulnerability is that an attacker can cause the affected application to crash by exploiting the out-of-bounds stack write. This leads to immediate process termination and results in a denial-of-service (DoS) condition.
There is no indication that confidentiality or integrity of data is affected, but availability is impacted due to the forced termination of the process.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know