Opera 7.54 and earlier uses kfmclient exec to handle unknown MIME types, which allows remote attackers to execute arbitrary code via a shortcut or launcher that contains an Exec entry.
https://exchange.xforce.ibmcloud.com/vulnerabilities/18457
http://www.zone-h.org/advisories/read/id=6503
http://www.gentoo.org/security/en/glsa/glsa-200502-17.xml
http://lists.suse.com/archive/suse-security-announce/2005-Mar/0007.html
Source: Mitre, NVD
Published: 2004-12-31
Updated: 2025-04-03
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.2586