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CVE-2025-3155

Yelp: arbitrary file read

A flaw was found in Yelp. The Gnome user help application allows the help document to execute arbitrary scripts. This vulnerability allows malicious users to input help documents, which may exfiltrate user files to an external environment.

CVSS 3.1 · 7.4 High EPSS 13.1% KEV · Not listed
Vendors
Debian Gnome Redhat
Products
Debian Linux Yelp Codeready Linux Builder and 23 more
CVE-2026-13601

Yelp: yelp-xsl: overly permissive content security policy in yelp allows host file disclosure from flatpak applications

A flaw was found in Yelp due to an overly permissive Content Security Policy (CSP) implementation provided by yelp-xsl. A malicious Flatpak application can open crafted help content through the OpenURI portal. By embedding an untrusted CSS stylesheet within a structured SVG document, attacker-controlled content can bypass Flatpak's intended sandbox isolation, allowing Yelp to evaluate local XML inclusions and disclose arbitrary user-readable host files through remote CSS resource requests. This may result in the unauthorized disclosure of sensitive information.

CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Gnome Redhat
Products
Yelp Enterprise Linux Rhel Aus and 5 more
CVE-2008-3533

yelp: Invalid URI format string vulnerability (remote arbitrary code execution)

Format string vulnerability in the window_error function in yelp-window.c in yelp in Gnome after 2.19.90 and before 2.24 allows remote attackers to execute arbitrary code via format string specifiers in an invalid URI on the command line, as demonstrated by use of yelp within (1) man or (2) ghelp URI handlers in Firefox, Evolution, and unspecified other programs.

CVSS 2.0 · 10.0 Critical EPSS 19.4% KEV · Not listed
Vendors
Gnome
Products
Gnome Yelp