SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2025-3155

The Gnome user help application allows the help document to execute arbitrary scripts.

HIGH 7.4EPSS 13.1%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 13.1%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

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 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
EPSS
13.12% probability · 96th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-601
Affected
gnome/yelp · debian/debian linux · redhat/codeready linux builder · redhat/codeready linux builder for arm64 · redhat/codeready linux builder for arm64 eus · redhat/codeready linux builder for eus · redhat/codeready linux builder for ibm z systems · redhat/codeready linux builder for ibm z systems eus · redhat/codeready linux builder for power little endian · redhat/codeready linux builder for power little endian eus · redhat/enterprise linux · redhat/enterprise linux eus · redhat/enterprise linux for arm 64 · redhat/enterprise linux for arm 64 eus · redhat/enterprise linux for ibm z systems · redhat/enterprise linux for ibm z systems eus · redhat/enterprise linux for power little endian · redhat/enterprise linux for power little endian eus · redhat/enterprise linux server aus · redhat/enterprise linux server tus · +1 more
Source
secalert@redhat.com
EPSS trend
0%8%15%8 October 2026: 13.12%26 October 2026: 13.12%8 October 202626 October 2026

EPSS moved from 13.1% on 8 October 2026 to 13.1% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.