EIP-2026-116111

PRE-CVE

Python 2.7 hotshot Module - 'pack_string' Heap Buffer Overflow (PoC)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-116111. PoCs published by John Leitch.

AI-analyzed exploit summary This exploit demonstrates a heap buffer overflow in Python 2.7's hotshot module due to improper bounds checking in the pack_string function. The PoC triggers the vulnerability by passing an overly large string to the Profile.addinfo method, leading to memory corruption.

Description

Python 2.7 hotshot Module - 'pack_string' Heap Buffer Overflow (PoC)

Exploits (1)

exploitdb WORKING POC
by John Leitch · textdoswindows
https://www.exploit-db.com/exploits/38615

This exploit demonstrates a heap buffer overflow in Python 2.7's hotshot module due to improper bounds checking in the pack_string function. The PoC triggers the vulnerability by passing an overly large string to the Profile.addinfo method, leading to memory corruption.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Python 2.7 (hotshot module)
No auth needed
Prerequisites: Python 2.7 installation with hotshot module
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026