CVE-2026-24800CWE-120CWE-787

A heap-based buffer over-read or buffer overflow in tildearrow/furnace

Critical · published January 27, 2026

CVSS v4.0
10.0
EPSS
0%
Percentile
21.3
In the wild
Unconfirmed
What it is

Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow furnace (extern/zlib modules). This vulnerability is associated with program files inflate.C.

The record
Technical detail
CVSS v4.0
10.0 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/V:D/RE:L/U:Red
EPSS
0.00298 · 21.3th percentile
Weaknesses
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'); CWE-787 · Out-of-bounds Write
Published
2026-01-27T08:33Z
EPSS history
Timeline
  • 27 JAN 08:33Z
    A heap-based buffer over-read or buffer overflow in tildearrow/furnace
    cvelistv5