检测

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / LTS / LTS / 26.04 Pro Realtime 22.04 LTS / Pro Realtime 24.04 LTS：Python 漏洞 （USN-8744-1）

high Nessus 插件 ID 344659

语言：

简介

远程 Ubuntu 主机缺少一个或多个安全更新。

描述

远程 Ubuntu 14.04 LTS / LTS / 16.0418.04 LTS / 20.04 LTS / 22.04 LTS / LTS / 24.04 LTS / 26.04 Pro Realtime 22.04 LTS / Pro Realtime 24.04 LTS 主机上存在安装的程序包，该程序包受到公告中提及的 USN-8744-1 多个漏洞的影响。

 已发现 Python 的 http.cookies 模块未正确处理某些 Cookie 操作中的控制字符。攻击者可能利用此问题注入任意内容。此问题仅影响 Ubuntu 14.04 LTS、Ubuntu 16.04 LTS、Ubuntu 18.04 LTS 、Ubuntu 20.04 LTS 和 Ubuntu 22.04 LTS 和 Ubuntu 24.04 LTS。(CVE-2026-3644)

 已发现 Python pyexpat 模块容易受到 Expat XML 解析器中不受限制的递归的影响。攻击者可能利用此问题造成 Python 崩溃，从而导致拒绝服务。此问题仅影响 Ubuntu 14.04 LTS、Ubuntu 16.04 LTS、Ubuntu 18.04 LTS 、Ubuntu 20.04 LTS 和 Ubuntu 22.04 LTS 和 Ubuntu 24.04 LTS。(CVE-2026-4224)

 发现 Python 的 tarfile 模块在提取硬链接时未正确应用筛选器参数。攻击者可能利用此问题导致使用非预期的 uid 或 gid 提取文件，从而绕过通过 filter='data' 请求的限制。（CVE-2026-4360）

 已发现 Python 的 http.cookies 模块未正确转义 js_output（） 方法中的值。
 攻击者可能利用此问题注入任意 JavaScript。(CVE-2026-6019)

 已发现 Python 的 html.parser 模块未正确处理重复的未结束标记声明。攻击者可利用此问题造成 Python 过度消耗 CPU 资源，从而导致拒绝服务。（CVE-2026-15308）

Tenable 已直接从 Ubuntu 安全公告中提取上述描述块。

请注意，Nessus 尚未测试这些问题，而是只依据应用程序自我报告的版本号进行判断。

解决方案

更新受影响的程序包。

另见

https://ubuntu.com/security/notices/USN-8744-1

插件详情

严重性: High

ID: 344659

文件名: ubuntu_USN-8744-1.nasl

版本: 1.2

类型: Local

代理: unix

发布时间: 2026/9/11

最近更新时间: 2026/9/11

支持的传感器: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

风险信息

VPR

风险因素: Low

分数: 3

百分位: 23.74

CVSS v2

风险因素: High

基本分数: 7.8

时间分数: 6.1

矢量: CVSS2#AV:N/AC:L/Au:N/C:N/I:C/A:N

CVSS 分数来源: CVE-2026-3644

CVSS v3

风险因素: High

基本分数: 7.5

时间分数: 6.7

矢量: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

时间矢量: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

风险因素: High

Base Score: 8.7

Threat Score: 7.7

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 分数来源: CVE-2026-15308

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:canonical:ubuntu_linux:pro:-:lts, p-cpe:/a:canonical:ubuntu_linux:idle-python2.7, p-cpe:/a:canonical:ubuntu_linux:idle-python3.10, p-cpe:/a:canonical:ubuntu_linux:idle-python3.11, p-cpe:/a:canonical:ubuntu_linux:idle-python3.12, p-cpe:/a:canonical:ubuntu_linux:idle-python3.14, p-cpe:/a:canonical:ubuntu_linux:idle-python3.4, p-cpe:/a:canonical:ubuntu_linux:idle-python3.5, p-cpe:/a:canonical:ubuntu_linux:idle-python3.6, p-cpe:/a:canonical:ubuntu_linux:idle-python3.7, p-cpe:/a:canonical:ubuntu_linux:idle-python3.8, p-cpe:/a:canonical:ubuntu_linux:idle-python3.9, p-cpe:/a:canonical:ubuntu_linux:libpython2.7-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython2.7-stdlib, p-cpe:/a:canonical:ubuntu_linux:libpython2.7-testsuite, p-cpe:/a:canonical:ubuntu_linux:libpython2.7, p-cpe:/a:canonical:ubuntu_linux:libpython3.10-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython3.10-stdlib, p-cpe:/a:canonical:ubuntu_linux:libpython3.10-testsuite, p-cpe:/a:canonical:ubuntu_linux:libpython3.10, p-cpe:/a:canonical:ubuntu_linux:libpython3.11-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython3.11-stdlib, p-cpe:/a:canonical:ubuntu_linux:libpython3.11-testsuite, p-cpe:/a:canonical:ubuntu_linux:libpython3.11, p-cpe:/a:canonical:ubuntu_linux:libpython3.12-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython3.12-stdlib, p-cpe:/a:canonical:ubuntu_linux:libpython3.12-testsuite, p-cpe:/a:canonical:ubuntu_linux:libpython3.12t64, p-cpe:/a:canonical:ubuntu_linux:libpython3.14-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython3.14-stdlib, p-cpe:/a:canonical:ubuntu_linux:libpython3.14-testsuite, p-cpe:/a:canonical:ubuntu_linux:libpython3.14, p-cpe:/a:canonical:ubuntu_linux:libpython3.4-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython3.4-stdlib, p-cpe:/a:canonical:ubuntu_linux:libpython3.4-testsuite, p-cpe:/a:canonical:ubuntu_linux:libpython3.4, p-cpe:/a:canonical:ubuntu_linux:libpython3.5-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython3.5-stdlib, p-cpe:/a:canonical:ubuntu_linux:libpython3.5-testsuite, p-cpe:/a:canonical:ubuntu_linux:libpython3.5, p-cpe:/a:canonical:ubuntu_linux:libpython3.6-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython3.6-stdlib, p-cpe:/a:canonical:ubuntu_linux:libpython3.6-testsuite, p-cpe:/a:canonical:ubuntu_linux:libpython3.6, p-cpe:/a:canonical:ubuntu_linux:libpython3.7-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython3.7-stdlib, p-cpe:/a:canonical:ubuntu_linux:libpython3.7-testsuite, p-cpe:/a:canonical:ubuntu_linux:libpython3.7, p-cpe:/a:canonical:ubuntu_linux:libpython3.8-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython3.8-stdlib, p-cpe:/a:canonical:ubuntu_linux:libpython3.8-testsuite, p-cpe:/a:canonical:ubuntu_linux:libpython3.8, p-cpe:/a:canonical:ubuntu_linux:libpython3.9-minimal, p-cpe:/a:canonical:ubuntu_linux:libpython3.9-stdlib, p-cpe:/a:canonical:ubuntu_linux:libpython3.9-testsuite, p-cpe:/a:canonical:ubuntu_linux:libpython3.9, p-cpe:/a:canonical:ubuntu_linux:python2.7-examples, p-cpe:/a:canonical:ubuntu_linux:python2.7-minimal, p-cpe:/a:canonical:ubuntu_linux:python2.7, p-cpe:/a:canonical:ubuntu_linux:python3.10-examples, p-cpe:/a:canonical:ubuntu_linux:python3.10-full, p-cpe:/a:canonical:ubuntu_linux:python3.10-minimal, p-cpe:/a:canonical:ubuntu_linux:python3.10-nopie, p-cpe:/a:canonical:ubuntu_linux:python3.10-venv, p-cpe:/a:canonical:ubuntu_linux:python3.10, p-cpe:/a:canonical:ubuntu_linux:python3.11-examples, p-cpe:/a:canonical:ubuntu_linux:python3.11-full, p-cpe:/a:canonical:ubuntu_linux:python3.11-minimal, p-cpe:/a:canonical:ubuntu_linux:python3.11-nopie, p-cpe:/a:canonical:ubuntu_linux:python3.11-venv, p-cpe:/a:canonical:ubuntu_linux:python3.11, p-cpe:/a:canonical:ubuntu_linux:python3.12-examples, p-cpe:/a:canonical:ubuntu_linux:python3.12-full, p-cpe:/a:canonical:ubuntu_linux:python3.12-minimal, p-cpe:/a:canonical:ubuntu_linux:python3.12-nopie, p-cpe:/a:canonical:ubuntu_linux:python3.12-venv, p-cpe:/a:canonical:ubuntu_linux:python3.12, p-cpe:/a:canonical:ubuntu_linux:python3.14-examples, p-cpe:/a:canonical:ubuntu_linux:python3.14-full, p-cpe:/a:canonical:ubuntu_linux:python3.14-gdbm, p-cpe:/a:canonical:ubuntu_linux:python3.14-minimal, p-cpe:/a:canonical:ubuntu_linux:python3.14-nopie, p-cpe:/a:canonical:ubuntu_linux:python3.14-tk, p-cpe:/a:canonical:ubuntu_linux:python3.14-venv, p-cpe:/a:canonical:ubuntu_linux:python3.14, p-cpe:/a:canonical:ubuntu_linux:python3.4-examples, p-cpe:/a:canonical:ubuntu_linux:python3.4-minimal, p-cpe:/a:canonical:ubuntu_linux:python3.4-venv, p-cpe:/a:canonical:ubuntu_linux:python3.4, p-cpe:/a:canonical:ubuntu_linux:python3.5-examples, p-cpe:/a:canonical:ubuntu_linux:python3.5-minimal, p-cpe:/a:canonical:ubuntu_linux:python3.5-venv, p-cpe:/a:canonical:ubuntu_linux:python3.5, p-cpe:/a:canonical:ubuntu_linux:python3.6-examples, p-cpe:/a:canonical:ubuntu_linux:python3.6-minimal, p-cpe:/a:canonical:ubuntu_linux:python3.6-venv, p-cpe:/a:canonical:ubuntu_linux:python3.6, p-cpe:/a:canonical:ubuntu_linux:python3.7-examples, p-cpe:/a:canonical:ubuntu_linux:python3.7-minimal, p-cpe:/a:canonical:ubuntu_linux:python3.7-venv, p-cpe:/a:canonical:ubuntu_linux:python3.7, p-cpe:/a:canonical:ubuntu_linux:python3.8-examples, p-cpe:/a:canonical:ubuntu_linux:python3.8-full, p-cpe:/a:canonical:ubuntu_linux:python3.8-minimal, p-cpe:/a:canonical:ubuntu_linux:python3.8-venv, p-cpe:/a:canonical:ubuntu_linux:python3.8, p-cpe:/a:canonical:ubuntu_linux:python3.9-examples, p-cpe:/a:canonical:ubuntu_linux:python3.9-full, p-cpe:/a:canonical:ubuntu_linux:python3.9-minimal, p-cpe:/a:canonical:ubuntu_linux:python3.9-venv, p-cpe:/a:canonical:ubuntu_linux:python3.9

必需的 KB 项: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

可利用: true

易利用性: Exploits are available

补丁发布日期: 2026/9/10

漏洞发布日期: 2026/2/12

参考资料信息

CVE: CVE-2026-15308, CVE-2026-3644, CVE-2026-4224, CVE-2026-4360, CVE-2026-6019

USN: 8744-1