The suidperl and sperl program do not give up root privileges when changing UIDs back to the original users, allowing root access.
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0138
Source: Mitre, NVD
Published: 1996-06-26
Updated: 2026-06-16
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 8.8
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00073