CVE-2024-1455
Medium
Description
A vulnerability in the langchain-ai/langchain repository allows for a Billion Laughs Attack, a type of XML External Entity (XXE) exploitation. By nesting multiple layers of entities within an XML document, an attacker can cause the XML parser to consume excessive CPU and memory resources, leading to a denial of service (DoS).
SeverityMedium
CVSS5.9
Exploit probability—
ProductLangchain
PublishedMar 26, 2024
First seenMar 26, 2024
Weakness typeCWE-776CWE-776
How to fix
Update
- langchain-core0.1.35 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| langchain langchain | 0.1.4 ≤ v ≤ 0.1.35 | — |
| langchain-corePyPI | v < 0.1.35 | 0.1.35 |
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