CVE-2026-24800

Critical

Description

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.

SeverityCritical

CVSS10.0

Exploit probability—

ProductTildearrow Furnace

PublishedJan 27, 2026

First seenJan 27, 2026

Weakness typeCWE-787Out-of-bounds write CWE-120CWE-120

How to fix

Update

tildearrow furnace0.6.8.3 or later

Patches

github.com/tildearrow/furnace/pull/2471

Affected products

Product	Affected versions	Fixed in
tildearrow furnace	v < 0.6.8.3	0.6.8.3

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