CVE-2025-1400: Out-of-bounds Read in libplctag library
First published: Wed May 07 2025(Updated: )
Out-of-bounds Read vulnerability in unpack_response (conn.c) in libplctag from 2.0 through 2.6.3 allows Overread Buffers via network.
Credit: prodsec@nozominetworks.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libplctag | >=2.0<2.6.3 |
Remedy
To fix this issue, it's suggested to update libplctag to v2.6.4
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Frequently Asked Questions
What is the severity of CVE-2025-1400?
CVE-2025-1400 is considered to have a moderate severity due to its potential exploitation leading to overread buffers.
How do I fix CVE-2025-1400?
To fix CVE-2025-1400, update the libplctag library to version 2.6.4 or later.
What types of systems are affected by CVE-2025-1400?
CVE-2025-1400 affects systems running libplctag versions from 2.0 to 2.6.3.
What is the potential impact of exploiting CVE-2025-1400?
Exploiting CVE-2025-1400 may lead to information leakage due to buffer overreads.
Is there a workaround for CVE-2025-1400 if an update cannot be applied?
As a temporary workaround, restricting network access to affected systems can help mitigate the risk of CVE-2025-1400.
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