EIP-2026-115866

PRE-CVE

Mozilla Firefox 63.0.1 - Denial of Service (PoC)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115866. PoCs published by SAIKUMAR CHEBROLU.

AI-analyzed exploit summary This exploit demonstrates a Denial of Service (DoS) vulnerability in Mozilla Firefox 63.0.1 by sending malformed chunked data after a zero-length chunk, causing the browser to crash. The PoC uses a crafted HTTP response with improper chunked encoding to trigger the crash.

Description

Mozilla Firefox 63.0.1 - Denial of Service (PoC)

Exploits (1)

exploitdb WORKING POC
by SAIKUMAR CHEBROLU · textdoswindows
https://www.exploit-db.com/exploits/45931

This exploit demonstrates a Denial of Service (DoS) vulnerability in Mozilla Firefox 63.0.1 by sending malformed chunked data after a zero-length chunk, causing the browser to crash. The PoC uses a crafted HTTP response with improper chunked encoding to trigger the crash.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Mozilla Firefox 63.0.1
No auth needed
Prerequisites: Network access to the target · Ability to send crafted HTTP responses
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026