How severe is CVE-2025-55648?

CVE-2025-55648 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-2025-55648 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55648?

CVE-2025-55648 affects Gpac. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55648?

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

Does CVE-2025-55648 have an EU (EUVD) identifier?

Yes. CVE-2025-55648 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210147.

When was CVE-2025-55648 published?

CVE-2025-55648 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2025-55648

CVE-2025-55648 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-122.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-210147
Weakness: CWE-122
Affected product: Gpac
Published: 2026-06-15
Last modified: 2026-06-17

Description

A heap buffer overflow in the gf_opus_parse_packet_header 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-2025-55648?: A heap buffer overflow in the gf_opus_parse_packet_header 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-2025-55648?: CVE-2025-55648 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-2025-55648 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55648?: CVE-2025-55648 affects Gpac. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55648?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55648 have an EU (EUVD) identifier?: Yes. CVE-2025-55648 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-210147.
When was CVE-2025-55648 published?: CVE-2025-55648 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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