How severe is CVE-2025-55660?

CVE-2025-55660 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-55660 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55660?

CVE-2025-55660 affects Gpac. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55660?

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

Does CVE-2025-55660 have an EU (EUVD) identifier?

Yes. CVE-2025-55660 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210151.

When was CVE-2025-55660 published?

CVE-2025-55660 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2025-55660

CVE-2025-55660 is a medium-severity vulnerability in Gpac with a CVSS 3.x base score of 5.5. 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-121.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-210151
Weakness: CWE-121
Affected product: Gpac
Published: 2026-06-15
Last modified: 2026-06-17

Description

A stack overflow in the gf_opus_read_length function (media_tools/av_parsers.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

Frequently asked questions

What is CVE-2025-55660?: A stack overflow in the gf_opus_read_length function (media_tools/av_parsers.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
How severe is CVE-2025-55660?: CVE-2025-55660 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-55660 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55660?: CVE-2025-55660 affects Gpac. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55660?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55660 have an EU (EUVD) identifier?: Yes. CVE-2025-55660 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210151.
When was CVE-2025-55660 published?: CVE-2025-55660 was published on 2026-06-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*

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