EIP-2026-115636
PRE-CVEMicrosoft DirectWrite / AFDKO - Stack-Based Buffer Overflow in do_set_weight_vector_cube for Large nAxes
Title source: legacyExploitation Summary
EIP tracks 1 public exploit for EIP-2026-115636. PoCs published by Google Security Research.
AI-analyzed exploit summary This exploit demonstrates a stack-based buffer overflow in AFDKO's `do_set_weight_vector_cube()` function, triggered by a maliciously crafted OpenType font file with an excessive number of axes (nAxes > 9). The vulnerability arises due to insufficient bounds checking, leading to overflows in local buffers and heap structures.
Description
Microsoft DirectWrite / AFDKO - Stack-Based Buffer Overflow in do_set_weight_vector_cube for Large nAxes
Exploits (1)
This exploit demonstrates a stack-based buffer overflow in AFDKO's `do_set_weight_vector_cube()` function, triggered by a maliciously crafted OpenType font file with an excessive number of axes (nAxes > 9). The vulnerability arises due to insufficient bounds checking, leading to overflows in local buffers and heap structures.