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Critical · 10.0 CVE-2026-24800 EUVD-2026-4798

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

Published Jan 27, 2026 · Updated Jan 27, 2026 · Assigned by GovTech CSG

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.

Affected products

VendorProductAffectedFixed
tildearrow furnace — —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 fltk +1 No fix yet —
Azure Linux 2 (CBL-Mariner) cloud-hypervisor 32.0-6 —
Azure Linux 2 (CBL-Mariner) gpsbabel No fix yet —

References