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CVE-2024-38375— @fastly/js-compute use-after-free in some host call implementations

Quick assessment

Affected
fastly js-compute-runtime
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

fastly是WordPress Plugins SVN Mirror开源的一个 WordPress 插件。 Fastly 存在安全漏洞，该漏洞源于多个函数的实现包含释放后重用漏洞。

CVSS 5.3 · Medium EPSS 0.27% · P19

Possible ATT&CK Techniques 1 AI

T1498 · Network Denial of Service
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I. Basic Information for CVE-2024-38375

Vulnerability Information
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Vulnerability Title
@fastly/js-compute use-after-free in some host call implementations
Source: CVE Program / CVE List V5
Vulnerability Description
@fastly/js-compute is a JavaScript SDK and runtime for building Fastly Compute applications. The implementation of several functions were determined to include a use-after-free bug. This bug could allow for unintended data loss if the result of the preceding functions were sent anywhere else, and often results in a guest trap causing services to return a 500. This bug has been fixed in version 3.16.0 of the `@fastly/js-compute` package.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:L/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Fastly 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
fastly是WordPress Plugins SVN Mirror开源的一个 WordPress 插件。 Fastly 存在安全漏洞，该漏洞源于多个函数的实现包含释放后重用漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
fastly js-compute-runtime >= 3.0.0, < 3.16.0 -

II. Public POCs for CVE-2024-38375

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III. Intelligence Information for CVE-2024-38375

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Patches & Fixes for CVE-2024-38375 (1)

Vendor Advisories for CVE-2024-38375 (1)

IV. Related Vulnerabilities

Same product: js-compute-runtime
Same vendor: fastly
Same weakness: CWE-416

V. Comments for CVE-2024-38375

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