EIP-2026-100006

PRE-CVE

AIX 4.2/4.3 - '/usr/lib/lpd/pio/etc/piomkapqd' Local Buffer Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-100006. PoCs published by Last Stage of Delirium.

AI-analyzed exploit summary This exploit targets a stack-based buffer overflow in the AIX printing subsystem's 'piomkapqd' utility, allowing local privilege escalation to the 'printq' group. It uses a crafted environment variable to overwrite the return address and execute shellcode that calls setregid() to gain elevated privileges.

Description

AIX 4.2/4.3 - '/usr/lib/lpd/pio/etc/piomkapqd' Local Buffer Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED
by Last Stage of Delirium · clocalaix
https://www.exploit-db.com/exploits/21094

This exploit targets a stack-based buffer overflow in the AIX printing subsystem's 'piomkapqd' utility, allowing local privilege escalation to the 'printq' group. It uses a crafted environment variable to overwrite the return address and execute shellcode that calls setregid() to gain elevated privileges.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: AIX 4.2, 4.3, 4.3.3 (piomkapqd utility)
No auth needed
Prerequisites: Local access to an AIX system with vulnerable piomkapqd · Ability to execute binaries
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026