HOMEVULNERABILITIESCVE-2025-6271
LOW

CVE-2025-6271

CWE-119Published: June 19, 2025· Updated: Jun 17, 2026

3.3
CVSS v3.1

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.

NVD Source

Technical Analysis

CVE-2025-6271 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityLow
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Affected Vendors & Products

swftools1 product(s)
swftools
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/swftools/swftools/issues/239
ADVISORYhttps://vuldb.com/?ctiid.313275
ADVISORYhttps://vuldb.com/?id.313275
ADVISORYhttps://vuldb.com/?submit.593005
ADVISORYhttps://github.com/swftools/swftools/issues/239

All References (6)

→
https://github.com/swftools/swftools/issues/239Exploit · Third Party Advisory
→
https://github.com/user-attachments/files/19415662/wav2swf_crash.txtExploit
→
https://vuldb.com/?ctiid.313275Permissions Required · Third Party Advisory · VDB Entry
→
https://vuldb.com/?id.313275Third Party Advisory · VDB Entry
→
https://vuldb.com/?submit.593005Third Party Advisory · VDB Entry
→
https://github.com/swftools/swftools/issues/239Exploit · Third Party Advisory

Quick Facts

CVE IDCVE-2025-6271
CVSS Score3.3 / 10
SeverityLOW
WeaknessCWE-119
CISA KEVNo
Affected1 vendor(s)
PublishedJun 19, 2025

Related CVEs (CWE-119)

CVE-2014-9208
10.0
CVE-2008-1307
10.0
CVE-2011-0406
10.0
CVE-2012-5959
10.0
CVE-2008-0748
10.0
CVE-2009-3699
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2025-6271 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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