CVE-2026-96442— Emacs 5.3920 修复不完整致远程代码执行
一分钟漏洞结论
影响对象
Red Hat Red Hat Enterprise Linux 10
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
A code execution flaw was found in Emacs, affecting versions prior to 31.2. The Flymake mode using language backends other than Lisp would execute arbitrary code from the edited file while performing syntax checking. Viewing or editing untrusted files using Em
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一、 漏洞 CVE-2026-96442 基础信息
漏洞信息
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Vulnerability Title
Emacs: emacs: arbitrary code execution, incomplete fix for cve-2024-53920
来源: CVE Program / CVE List V5
Vulnerability Description
A code execution flaw was found in Emacs, affecting versions prior to 31.2. The Flymake mode using language backends other than Lisp would execute arbitrary code from the edited file while performing syntax checking. Viewing or editing untrusted files using Emacs could lead to arbitrary code execution with the privileges of the user running Emacs.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | - |
cpe:/o:redhat:enterprise_linux:10
|
|
| Red Hat | Red Hat Enterprise Linux 6 | - |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 | - |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 | - |
cpe:/o:redhat:enterprise_linux:8
|
|
| Red Hat | Red Hat Enterprise Linux 9 | - |
cpe:/o:redhat:enterprise_linux:9
|
|
二、漏洞 CVE-2026-96442 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-96442 其他参考 (5)
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🔗 2537347 – (CVE-2026-96442) CVE-2026-96442 emacs: Emacs: arbitrary code execution, incomplete fix for CVE-2024-53920 查看完整文章 issue-tracking x_refsource_REDHAT
同批安全公告 · Red Hat · 2026-09-23 · 共 4 条
| CVE-2026-96512 | 7.8 HIGH | Sudo TZ环境变量绕过时间授权漏洞 |
| CVE-2026-96445 | 6.8 MEDIUM | Keycloak 代理头部条件OTP绕过漏洞 |
| CVE-2026-96446 | 4.2 MEDIUM | Keycloak prompt=none 静默认证路径单用绕过漏洞 |
IV. Related Vulnerabilities
Same product: Red Hat Enterprise Linux 10
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Same weakness: CWE-94
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V. Comments for CVE-2026-96442
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