CVE-2026-4732
Received Received - Intake
Out-of-Bounds Read in Furnace tildearrow Module Before

Publication date: 2026-03-24

Last updated on: 2026-03-24

Assigner: Government Technology Agency of Singapore Cyber Security Group (GovTech CSG)

Description
Out-of-bounds Read vulnerability in tildearrow furnace (‎extern/libsndfile-modified/src modules). This vulnerability is associated with program files flac.C‎. This issue affects furnace: before 0.7.
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Meta Information
Published
2026-03-24
Last Modified
2026-03-24
Generated
2026-06-16
AI Q&A
2026-03-24
EPSS Evaluated
2026-06-15
NVD
CVE-2026-4732
EUVD
EUVD-2026-14710
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
tildearrow furnace to 0.7 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-125 The product reads data past the end, or before the beginning, of the intended buffer.
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Executive Summary

CVE-2026-4732 is an out-of-bounds read vulnerability found in the tildearrow furnace software, specifically in the cloned FLAC audio import code located in the file extern/libsndfile-modified/src/flac.c. This vulnerability arose because the furnace code missed an important upstream security patch from the original libsndfile project that fixed improper buffer reuse during FLAC decoding. As a result, the furnace software could improperly access memory outside the intended buffer boundaries.

The issue was fixed by backporting the official libsndfile patch to the furnace code, ensuring proper buffer management and eliminating the vulnerability.

Impact Analysis

This vulnerability can lead to out-of-bounds memory reads when processing FLAC audio files using the furnace software before version 0.7. Such memory access errors can cause application crashes or potentially allow an attacker to read sensitive memory contents, which may lead to information disclosure or destabilization of the application.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

To mitigate CVE-2026-4732, you should update the tildearrow furnace software to version 0.7 or later, as the vulnerability affects versions before 0.7.

The vulnerability was fixed by backporting an upstream security patch from the libsndfile project that properly manages buffer reuse in the FLAC audio import functionality.

Applying the patch or upgrading to a version that includes the fix will eliminate the out-of-bounds read vulnerability.

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