Information disclosure in Gnome Yelp

1) Exposure of Sensitive System Information to an Unauthorized Control Sphere

EUVDB-ID: #VU107887

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-3155

CWE-ID: CWE-497 - Exposure of Sensitive System Information to an Unauthorized Control Sphere

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to the way Yelp handles JavaScript content. A remote attacker can trick the victim into opening a specially crafted file and exfiltrate sensitive information by forcing Yelp to share contents of arbitrary files to a third-party remote server.

Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Yelp: 40.0 - 42.2

CPE2.3

• cpe:2.3:a:gnome:yelp:40.0:*:*:*:*:*:*:*
• cpe:2.3:a:gnome:yelp:40.2:*:*:*:*:*:*:*
• cpe:2.3:a:gnome:yelp:40.3:*:*:*:*:*:*:*

External links

https://www.openwall.com/lists/oss-security/2025/04/04/1
https://bugzilla.redhat.com/show_bug.cgi?id=2357091
https://gist.github.com/parrot409/e970b155358d45b298d7024edd9b17f2
https://blogs.gnome.org/mcatanzaro/2025/04/15/dangerous-arbitrary-file-read-vulnerability-in-yelp-cve-2025-3155/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.