EIP-2026-102331

PRE-CVE

Oracle Java Runtime Environment - Heap Out-of-Bounds Read During TTF Font Rendering in AlternateSubstitutionSubtable::process

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-102331. PoCs published by Google Security Research.

AI-analyzed exploit summary This report details a heap-based out-of-bounds read vulnerability in Oracle Java Runtime Environment 8u202, triggered during TrueType font processing in the `AlternateSubstitutionSubtable::process` function. The crash occurs due to invalid memory access, with technical analysis including stack traces and register states from both Linux and Windows environments.

Description

Oracle Java Runtime Environment - Heap Out-of-Bounds Read During TTF Font Rendering in AlternateSubstitutionSubtable::process

Exploits (1)

exploitdb WRITEUP VERIFIED
by Google Security Research · textdosjava
https://www.exploit-db.com/exploits/46412

This report details a heap-based out-of-bounds read vulnerability in Oracle Java Runtime Environment 8u202, triggered during TrueType font processing in the `AlternateSubstitutionSubtable::process` function. The crash occurs due to invalid memory access, with technical analysis including stack traces and register states from both Linux and Windows environments.

Classification
Writeup 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Oracle Java Runtime Environment 8u202
No auth needed
Prerequisites: A maliciously crafted TrueType font file
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026