How severe is CVE-2025-6271?

CVE-2025-6271 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-6271 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6271?

CVE-2025-6271 affects Swftools. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6271?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-6271 have an EU (EUVD) identifier?

Yes. CVE-2025-6271 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18692.

When was CVE-2025-6271 published?

CVE-2025-6271 was published on 2025-06-19 and last updated on 2026-06-17.

CVE-2025-6271

CVE-2025-6271 is a low-severity vulnerability in Swftools with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18692
Weakness: CWE-119
Affected product: Swftools
Published: 2025-06-19
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-6271?: CVE-2025-6271 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-6271 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6271?: CVE-2025-6271 affects Swftools. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6271?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-6271 have an EU (EUVD) identifier?: Yes. CVE-2025-6271 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18692.
When was CVE-2025-6271 published?: CVE-2025-6271 was published on 2025-06-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:swftools:swftools:*:*:*:*:*:*:*:*

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