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Vulnerability record · public intelligence
CVE-2025-6271
MEDIUM

swftools wav2swf wav.c wav_convert2mono out-of-bounds

Published Jun 19, 2025 · Updated Nov 3, 2026

Severity · CVSSMEDIUM · Not scored
Known exploitationNot listed
EPSS / likelihood0.27%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Nov 3, 2026

swftools wav2swf wav.c wav_convert2mono out-of-bounds

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

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.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

FIRST-EPSSCVE-LIST-V5
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. VDB-313275 | swftools wav2swf wav.c wav_convert2mono out-of-bounds ↗
  2. VDB-313275 | CTI Indicators (IOB, IOC, IOA) ↗
  3. Submit #593005 | swftools swftools 0.9.2 (commit c6a18ab) Out-of-Bounds Read ↗
  4. Source repository ↗
  5. Source repository ↗

Record history

Published Jun 19, 2025 · Last refreshed Nov 3, 2026