CVE-2018-6129

MEDIUM

Google Chrome <67.0.3396.62 - Memory Corruption

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-6129. PoCs published by Google Security Research.

AI-analyzed exploit summary The exploit leverages a missing bounds check in VP9 frame processing in WebRTC, leading to memory corruption via an out-of-bounds array access. The PoC demonstrates a crash in Chrome by sending a malformed VP9 frame with a temporal_idx value exceeding the array bounds.

Description

Out of bounds array access in WebRTC in Google Chrome prior to 67.0.3396.62 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdosmultiple
https://www.exploit-db.com/exploits/44863

The exploit leverages a missing bounds check in VP9 frame processing in WebRTC, leading to memory corruption via an out-of-bounds array access. The PoC demonstrates a crash in Chrome by sending a malformed VP9 frame with a temporal_idx value exceeding the array bounds.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: WebRTC (Chrome and other browsers supporting VP9)
No auth needed
Prerequisites: WebRTC with VP9 support · User interaction to trigger the malformed frame
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Issue Tracking x_refsource_misc
https://crbug.com/838672

Scores

CVSS v3 6.5
EPSS 0.0275
EPSS Percentile 84.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-125
Status published
Products (1)
google/chrome < 67.0.3396.62
Published Jun 27, 2019
Tracked Since Feb 18, 2026