Vulnerability · Published Jun 19, 2025 · Assigned by VulDB
CVE-2025-6271swftools wav2swf wav.c wav_convert2mono out-of-bounds
Low 3.3
In plain English
A low-severity out-of-bounds read in swftools. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).
Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.3%top 81.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-125, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
References
- VDB-313275 | swftools wav2swf wav.c wav_convert2mono out-of-bounds vdb-entry, technical-description
- VDB-313275 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #593005 | swftools swftools 0.9.2 (commit c6a18ab) Out-of-Bounds Read third-party-advisory
- https://github.com/swftools/swftools/issues/239 issue-tracking
- https://github.com/user-attachments/files/19415662/wav2swf_crash.txt exploit