CVE-2025-70303
CVE-2025-70303 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% (9th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-2711
- Weakness: CWE-122
- Affected product: Gpac
- Published:
- Last modified:
Description
A heap overflow in the uncv_parse_config() function of GPAC v2.4.0 allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.
Frequently asked questions
- What is CVE-2025-70303?
- A heap overflow in the uncv_parse_config() function of GPAC v2.4.0 allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.
- How severe is CVE-2025-70303?
- CVE-2025-70303 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-2025-70303 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-2025-70303?
- CVE-2025-70303 affects Gpac. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-70303?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-70303 have an EU (EUVD) identifier?
- Yes. CVE-2025-70303 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2711.
- When was CVE-2025-70303 published?
- CVE-2025-70303 was published on 2026-01-15 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:gpac:gpac:2.4.0:*:*:*:*:*:*:*
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