Linux Distros 未修补的漏洞：CVE-2026-18503
low Nessus 插件 ID 335028
语言：
简介
Linux/Unix 主机上安装的一个或多个程序包存在漏洞，但供应商表示不会修补此漏洞。描述
Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。- 攻击者控制的 CSV 示例可在方言嗅探期间触发超线性正则表达式工作，并在应用程序将不受限制的输入传递到 CSV 时消耗大量 CPU。Sniffer.sniff（）。
(CVE-2026-18503)
请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。
解决方案
目前尚未有任何已知的解决方案。另见
https://access.redhat.com/security/cve/cve-2026-18503
插件详情
严重性: Low
ID: 335028
文件名: unpatched_CVE_2026_18503.nasl
版本: 1.3
类型: Local
代理: unix
系列: Misc.
发布时间: 2026/8/13
最近更新时间: 2026/8/19
支持的传感器: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus
风险信息
VPR
风险因素: Medium
分数: 4.3
百分位: 53.53
CVSS v2
风险因素: Low
基本分数: 3.5
时间分数: 3
矢量: CVSS2#AV:N/AC:M/Au:S/C:N/I:N/A:P
CVSS 分数来源: CVE-2026-18503
CVSS v3
风险因素: Critical
基本分数: 9.1
时间分数: 8.3
矢量: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
时间矢量: CVSS:3.0/E:U/RL:U/RC:C
CVSS v4
风险因素: Low
Base Score: 2.4
Threat Score: 0.4
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
漏洞信息
CPE: cpe:/o:canonical:ubuntu_linux:14.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:26.04:-:lts, cpe:/o:centos:centos:7, cpe:/o:centos:centos:8, cpe:/o:debian:debian_linux:11.0, cpe:/o:debian:debian_linux:12.0, cpe:/o:debian:debian_linux:13.0, cpe:/o:debian:debian_linux:14.0, cpe:/o:redhat:enterprise_linux:10, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:canonical:ubuntu_linux:python2.7, p-cpe:/a:canonical:ubuntu_linux:python3.10, p-cpe:/a:canonical:ubuntu_linux:python3.11, p-cpe:/a:canonical:ubuntu_linux:python3.12, p-cpe:/a:canonical:ubuntu_linux:python3.14, p-cpe:/a:canonical:ubuntu_linux:python3.4, p-cpe:/a:canonical:ubuntu_linux:python3.5, p-cpe:/a:canonical:ubuntu_linux:python3.6, p-cpe:/a:canonical:ubuntu_linux:python3.7, p-cpe:/a:canonical:ubuntu_linux:python3.8, p-cpe:/a:canonical:ubuntu_linux:python3.9, p-cpe:/a:centos:centos:platform-python-debug, p-cpe:/a:centos:centos:platform-python-devel, p-cpe:/a:centos:centos:platform-python, p-cpe:/a:centos:centos:python-debug, p-cpe:/a:centos:centos:python-devel, p-cpe:/a:centos:centos:python-libs, p-cpe:/a:centos:centos:python-test, p-cpe:/a:centos:centos:python-tools, p-cpe:/a:centos:centos:python-unversioned-command, p-cpe:/a:centos:centos:python3-debug, p-cpe:/a:centos:centos:python3-devel, p-cpe:/a:centos:centos:python3-idle, p-cpe:/a:centos:centos:python3-libs, p-cpe:/a:centos:centos:python3-test, p-cpe:/a:centos:centos:python3-tkinter, p-cpe:/a:centos:centos:python3.12, p-cpe:/a:centos:centos:python3.9, p-cpe:/a:centos:centos:python3, p-cpe:/a:centos:centos:python, p-cpe:/a:centos:centos:tkinter, p-cpe:/a:debian:debian_linux:pypy3, p-cpe:/a:debian:debian_linux:python2.7, p-cpe:/a:debian:debian_linux:python3.11, p-cpe:/a:debian:debian_linux:python3.13, p-cpe:/a:debian:debian_linux:python3.14, p-cpe:/a:debian:debian_linux:python3.9, p-cpe:/a:redhat:enterprise_linux:platform-python-debug, p-cpe:/a:redhat:enterprise_linux:platform-python-devel, p-cpe:/a:redhat:enterprise_linux:platform-python, p-cpe:/a:redhat:enterprise_linux:python-debug, p-cpe:/a:redhat:enterprise_linux:python-devel, p-cpe:/a:redhat:enterprise_linux:python-libs, p-cpe:/a:redhat:enterprise_linux:python-test, p-cpe:/a:redhat:enterprise_linux:python-tools, p-cpe:/a:redhat:enterprise_linux:python-unversioned-command, p-cpe:/a:redhat:enterprise_linux:python3-debug, p-cpe:/a:redhat:enterprise_linux:python3-devel, p-cpe:/a:redhat:enterprise_linux:python3-idle, p-cpe:/a:redhat:enterprise_linux:python3-libs, p-cpe:/a:redhat:enterprise_linux:python3-test, p-cpe:/a:redhat:enterprise_linux:python3-tkinter, p-cpe:/a:redhat:enterprise_linux:python3.12, p-cpe:/a:redhat:enterprise_linux:python3.9, p-cpe:/a:redhat:enterprise_linux:python3, p-cpe:/a:redhat:enterprise_linux:python, p-cpe:/a:redhat:enterprise_linux:tkinter
必需的 KB 项: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier
易利用性: No known exploits are available
漏洞发布日期: 2026/8/10
参考资料信息
CVE: CVE-2026-18503