How severe is CVE-2025-55647?

CVE-2025-55647 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-2025-55647 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55647?

CVE-2025-55647 affects Gpac. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55647?

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

Does CVE-2025-55647 have an EU (EUVD) identifier?

Yes. CVE-2025-55647 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210146.

When was CVE-2025-55647 published?

CVE-2025-55647 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2025-55647

CVE-2025-55647 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-190.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-210146
Weakness: CWE-190
Affected product: Gpac
Published: 2026-06-15
Last modified: 2026-06-17

Description

An Out-of-Memory in the mp4_mux_cenc_insert_pssh function (filters/mux_isom.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-2025-55647?: An Out-of-Memory in the mp4_mux_cenc_insert_pssh function (filters/mux_isom.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-2025-55647?: CVE-2025-55647 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-2025-55647 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55647?: CVE-2025-55647 affects Gpac. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55647?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55647 have an EU (EUVD) identifier?: Yes. CVE-2025-55647 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210146.
When was CVE-2025-55647 published?: CVE-2025-55647 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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