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CVE-2026-58306

Quick assessment

Affected
Samsung Open Source Escargot
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.

Samsung Open Source Escargot是Samsung Open Source开源的Web服务器。 Samsung Open Source Escargot存在缓冲区错误漏洞，该漏洞源于堆缓冲区溢出问题，可能导致缓冲区溢出。

CVSS 6.1 · Medium EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Samsung Open Source Escargot < ef525f337fafddecde77a3c426212a84bb20cb98 affected
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I. Basic Information for CVE-2026-58306

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Heap-based buffer overflow vulnerability in Samsung Open Source Escargot allows Overflow Buffers. This issue affects Escargot: before ef525f337fafddecde77a3c426212a84bb20cb98.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Samsung Open Source Escargot 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samsung Open Source Escargot是Samsung Open Source开源的Web服务器。 Samsung Open Source Escargot存在缓冲区错误漏洞，该漏洞源于堆缓冲区溢出问题，可能导致缓冲区溢出。
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
Samsung Open Source Escargot 0 ~ ef525f337fafddecde77a3c426212a84bb20cb98 -

II. Public POCs for CVE-2026-58306

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-58306

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Patches & Fixes for CVE-2026-58306 (1)

Vendor Advisories for CVE-2026-58306 (1)

Same Patch Batch · Samsung Open Source · 2026-07-09 · 5 CVEs total

CVE-2026-58307 6.1 MEDIUM Samsung Open Source Escargot 缓冲区错误漏洞
CVE-2026-58304 6.1 MEDIUM Samsung Open Source Escargot 缓冲区错误漏洞
CVE-2026-58303 6.1 MEDIUM Samsung Open Source Escargot 缓冲区错误漏洞
CVE-2026-58305 6.1 MEDIUM Samsung Open Source Escargot 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: Escargot
Same vendor: Samsung Open Source
Same weakness: CWE-122

V. Comments for CVE-2026-58306

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