Buffer overflow in Swftools
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.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (11.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
Affected products
- Swftools
- N/a Swftools — versions 0.9.0, 0.9.1, 0.9.2
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry, Third Party Advisory)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Third Party Advisory)
- cna@vuldb.com (Exploit, exploit)
Frequently asked questions
- What is CVE-2025-6271?
- CVE-2025-6271 is a low-severity vulnerability in Swftools, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2025-06-19.
- How severe is CVE-2025-6271?
- Low severity. CVSS v3 base score is 3.3 out of 10.