EIP-2026-103420

PRE-CVE

Avast! - Out-of-Bounds Write Decrypting PEncrypt Packed executables

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103420. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit demonstrates an out-of-bounds (OOB) write vulnerability in Avast Server Edition when processing a PEncrypt packed executable. The provided backtrace shows the crash occurs in the `EmulatePolyCode` function, leading to a memory corruption condition.

Description

Avast! - Out-of-Bounds Write Decrypting PEncrypt Packed executables

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdosmultiple
https://www.exploit-db.com/exploits/38931

This exploit demonstrates an out-of-bounds (OOB) write vulnerability in Avast Server Edition when processing a PEncrypt packed executable. The provided backtrace shows the crash occurs in the `EmulatePolyCode` function, leading to a memory corruption condition.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Avast Server Edition (version not specified)
No auth needed
Prerequisites: A PEncrypt packed executable crafted to trigger the OOB write
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026