EIP-2026-103506

PRE-CVE

Graphite2 - GlyphCache::GlyphCache Heap Buffer Overflow

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103506. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit demonstrates a heap-based buffer overflow in Graphite2's GlyphCache due to incorrect handling of the _num_glyphs field, allowing an attacker to control the overflow size. The PoC modifies gr2FontTest to trigger the vulnerability with a crafted input file.

Description

Graphite2 - GlyphCache::GlyphCache Heap Buffer Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · textdosmultiple
https://www.exploit-db.com/exploits/39859

This exploit demonstrates a heap-based buffer overflow in Graphite2's GlyphCache due to incorrect handling of the _num_glyphs field, allowing an attacker to control the overflow size. The PoC modifies gr2FontTest to trigger the vulnerability with a crafted input file.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: Graphite2 (git trunk, as of 2016-02-27)
No auth needed
Prerequisites: Access to a system with Graphite2 installed · Ability to execute the gr2FontTest utility with a crafted font file
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026