CVE-2026-46529 — Atril Document Viewer is the default document reader of...

linuxLinux CWE-88 高危 CWE-77 CVE-2026-46529

发布于：1小时前📖 5分钟👁️ 1 次阅读

CVE-2026-46529 漏洞深度分析

漏洞概述

CVE 编号： CVE-2026-46529
CVSS 评分： 8.4（HIGH）
CVSS 向量： CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE 分类： CWE-77,CWE-88,CWE-829,CWE-77
漏洞状态： Deferred
发布时间： 2026-06-10T20:17:28.570
最后更新： 2026-07-14T12:17:10.157

漏洞描述

Atril Document Viewer is the default document reader of the MATE desktop environment for Linux. A single-click remote code execution vulnerability in versions prior to 1.26.3 and 1.28.4 allows an attacker to achieve arbitrary code execution as the user by tricking them into clicking a link inside a malicious PDF document. The PDF can be packaged as a polyglot file that is simultaneously a valid PDF and a valid ELF shared library, making the attack a single-file, single-click, configuration-independent RCE on stock atril installations. The root cause is shell/ev-application.c:ev_spawn, which builds a command line from attacker-controlled PDF link-destination fields without applying g_shell_quote. The cmdline is then handed to g_app_info_create_from_commandline, which shell-parses it back into argv — splitting any embedded --gtk-module=PATH into a separate argv element. GTK then dlopen()s the path during init, running any __attribute__((constructor)) it finds. Versions 1.26.3 and 1.28.4 contain a patch for the issue. This is the same defect class as CVE-2023-51698 (CBT --checkpoint-action injection in comics-document.c, fixed in 1.6.2) but in a different code path (shell/ev-application.c) that the original patch did not touch.

影响分析

此漏洞的具体影响取决于实际利用场景。"

修复建议

及时关注厂商发布的安全更新和补丁
升级受影响组件到最新版本
如无法立即升级，参考厂商提供的临时缓解措施
加强网络访问控制和监控

参考链接

💬 评论