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CVE-2026-78124

Quick assessment

Affected
strongSwan strongSwan
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.

strongSwan 5.0.2 至 6.0.7 版本允许在 OpenSSL 插件中进行 PKCS#7 证书枚举，导致其有效生命周期结束后内存未被释放。

CVSS 3.7 · Low EPSS 0.19% · P9

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2026-78124

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
strongSwan 5.0.2 through 6.0.7 allows PKCS#7 certificate enumeration in the openssl plugin that leads to a lack of release of memory after its effective lifetime.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
strongSwan strongSwan 5.0.2 ~ 6.1.0 -

II. Public POCs for CVE-2026-78124

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III. Intelligence Information for CVE-2026-78124

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Security Blog Posts for CVE-2026-78124 (1)

Vendor Pages for CVE-2026-78124 (1)

Same Patch Batch · strongSwan · 2026-09-11 · 11 CVEs total

CVE-2026-78132 7.5 HIGH strongSwan 5.1.3-6.0.7 无限循环漏洞
CVE-2026-78133 7.5 HIGH strongSwan 6.0.0-6.0.7 libcharon 释放后使用漏洞
CVE-2026-78130 7.5 HIGH strongSwan 4.2.0-6.0.7空指针解引用
CVE-2026-78134 7.1 HIGH strongSwan 4.5.0-6.0.7 EAP插件访问控制缺陷
CVE-2026-78123 5.9 MEDIUM strongSwan 5.0.2-6.0.7 PKCS#7解析空指针解引用
CVE-2026-78129 5.9 MEDIUM strongSwan 4.6.2至6.0.7 无限循环
CVE-2026-78126 5.9 MEDIUM strongSwan 6.0.7 前 EAP-AKA 空指针解引用
CVE-2026-78135 5.6 MEDIUM strongSwan 5.9.7-6.0.7 libcharon 认证绕过漏洞
CVE-2026-78131 3.7 LOW strongSwan 4.2.0-6.0.7 x509插件内存泄漏
CVE-2026-78127 3.7 LOW strongSwan 4.1.2至6.0.7 libcharon 内存释放缺失漏洞

IV. Related Vulnerabilities

Same product: strongSwan
Same vendor: strongSwan
Same weakness: CWE-401

V. Comments for CVE-2026-78124

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