CVE-2026-4732
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
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| tildearrow | furnace | to 0.7 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-125 | The product reads data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
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.