Open Redirect in GNOME Yelp
CVE-2025-3155
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.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.131 (96.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.142 · newest: 0.131 · change: -0.011
Affected products
- GNOME Yelp — versions 42.2-8
- Debian Linux — versions 11.0
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8 — versions 2:3.28.1-3.el8_10.1, 0:3.28.0-2.el8_10.1
- Red Hat Enterprise Linux 8.2 Advanced Update Support — versions 2:3.28.1-3.el8_2.1
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support — versions 2:3.28.1-3.el8_4.1
- Red Hat Enterprise Linux 8.4 Telecommunications Update Service — versions 2:3.28.1-3.el8_4.1
- Red Hat Enterprise Linux 8.4 Update Services For SAP Solutions — versions 2:3.28.1-3.el8_4.1
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support — versions 2:3.28.1-3.el8_6.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/errata/RHSA-2025:4450 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2025:4451 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2025:4455 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2025:4456 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2025:4457 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2025:4505 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2025:4532 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2025:7430 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2025:7569 (vendor-advisory, Third Party Advisory)
- access.redhat.com/security/cve/CVE-2025-3155 (Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2025-3155?
- CVE-2025-3155 is a high-severity vulnerability in GNOME Yelp, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 7.4/10. Published 2025-04-03.
- How severe is CVE-2025-3155?
- High severity. CVSS v3 base score is 7.4 out of 10.
- Is CVE-2025-3155 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.