EIP-2026-103734

PRE-CVE

Wireshark - dissect_ber_constrained_bitstring Heap Out-of-Bounds Read

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103734. PoCs published by Google Security Research.

AI-analyzed exploit summary This is a heap-based out-of-bounds read vulnerability in Wireshark's BER dissector, leading to a crash. The PoC demonstrates the issue by feeding a malformed file to tshark, triggering an AddressSanitizer error.

Description

Wireshark - dissect_ber_constrained_bitstring Heap Out-of-Bounds Read

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdosmultiple
https://www.exploit-db.com/exploits/39327

This is a heap-based out-of-bounds read vulnerability in Wireshark's BER dissector, leading to a crash. The PoC demonstrates the issue by feeding a malformed file to tshark, triggering an AddressSanitizer error.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Wireshark (git master at time of disclosure)
No auth needed
Prerequisites: A malformed file to trigger the vulnerability
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026