CVE-2025-6271

Description

A vulnerability, which was classified as problematic, was found in swftools up to 0.9.2. This affects the function wav_convert2mono in the library lib/wav.c of the component wav2swf. The manipulation leads to out-of-bounds read. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

CVSS v3.1 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
swftools	swftools	< 0.9.2

References

Exploits

https://github.com/swftools/swftools/issues/239 https://github.com/user-attachments/files/19415662/wav2swf_crash.txt https://github.com/swftools/swftools/issues/239

Other References

https://vuldb.com/?ctiid.313275 https://vuldb.com/?id.313275 https://vuldb.com/?submit.593005

Frequently Asked Questions

What is CVE-2025-6271? +

A vulnerability, which was classified as problematic, was found in swftools up to 0.9.2. This affects the function wav_convert2mono in the library lib/wav.c of the component wav2swf. The manipulation leads to out-of-bounds read. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-6271? +

CVE-2025-6271 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-6271? +

CVE-2025-6271 affects products from swftools, specifically: swftools. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6271? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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