3.3
LOW
CVE-2025-6271
Swftools wav2swf Out-of-Bounds Read Vulnerability
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.

INFO

Published Date :

June 19, 2025, 6:15 p.m.

Last Modified :

July 2, 2025, 7:03 p.m.

Remotely Exploitable :

No

Impact Score :

1.4

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2025-6271 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Swftools swftools
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-6271.

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

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-6271 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-6271 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jul. 02, 2025

    Action Type Old Value New Value
    Added CPE Configuration OR *cpe:2.3:a:swftools:swftools:*:*:*:*:*:*:*:* versions up to (excluding) 0.9.2
    Added Reference Type CISA-ADP: https://github.com/swftools/swftools/issues/239 Types: Exploit, Third Party Advisory
    Added Reference Type VulDB: https://github.com/swftools/swftools/issues/239 Types: Exploit, Third Party Advisory
    Added Reference Type VulDB: https://github.com/user-attachments/files/19415662/wav2swf_crash.txt Types: Exploit
    Added Reference Type VulDB: https://vuldb.com/?ctiid.313275 Types: Permissions Required, Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?id.313275 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.593005 Types: Third Party Advisory, VDB Entry
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 23, 2025

    Action Type Old Value New Value
    Added Reference https://github.com/swftools/swftools/issues/239
  • New CVE Received by [email protected]

    Jun. 19, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
    Added CVSS V2 (AV:L/AC:L/Au:S/C:N/I:N/A:P)
    Added CWE CWE-119
    Added CWE CWE-125
    Added Reference https://github.com/swftools/swftools/issues/239
    Added Reference https://github.com/user-attachments/files/19415662/wav2swf_crash.txt
    Added Reference https://vuldb.com/?ctiid.313275
    Added Reference https://vuldb.com/?id.313275
    Added Reference https://vuldb.com/?submit.593005
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-6271 is associated with the following CWEs:

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: Jul. 15, 2025 12:06