Extcompose in metamail does not verify the output file before writing to it, which allows local users to overwrite arbitrary files via a symlink attack.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15460
http://www.securityfocus.com/bid/9850
http://marc.info/?l=bugtraq&m=107910934926062&w=2
Source: Mitre, NVD
Published: 2004-12-31
Updated: 2026-06-16
Base Score: 2.1
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:N
Severity: Low
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Severity: Medium
EPSS: 0.00068