What is the CVSS score of CVE-2025-70309?

CVE-2025-70309 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.0%.

Which versions of Gpac are affected by CVE-2025-70309?

Organizations using the pcmreframe_flush_packet function of GPAC should be aware of moderate risk from CVE-2025-70309, a stack-based buffer overflow vulnerability rated CVSS 5.5.

Is there a public PoC exploit available for CVE-2025-70309?

Yes, a public proof-of-concept exploit is available for CVE-2025-70309. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-70309?

Within 30 days: Identify affected systems running the pcmreframe_flush_packet function of GPAC and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Gpac CVE-2025-70309

MEDIUM

Stack-based Buffer Overflow (CWE-121)

2026-01-15 cve@mitre.org

Denial Of Service Stack Overflow Gpac

5.5

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 23, 2026 - 17:34 vuln.today

Public exploit code

CVE Published

Jan 15, 2026 - 17:16 nvd

MEDIUM 5.5

DescriptionNVD

A stack overflow in the pcmreframe_flush_packet function of GPAC v2.4.0 allows attackers to cause a Denial of Service (DoS) via a crafted WAV file.

AnalysisAI

A stack overflow in the pcmreframe_flush_packet function of GPAC v2.4.0 allows attackers to cause a Denial of Service (DoS) via a crafted WAV file. [CVSS 5.5 MEDIUM]

Technical ContextAI

Classified as CWE-121 (Stack-based Buffer Overflow). Affects the pcmreframe_flush_packet component of Gpac. A stack overflow in the pcmreframe_flush_packet function of GPAC v2.4.0 allows attackers to cause a Denial of Service (DoS) via a crafted WAV file.

RemediationAI

Monitor vendor advisories for a patch.

CVE-2025-70309 vulnerability details – vuln.today

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Gpac CVE-2025-70309

CVSS VectorNVD

Lifecycle Timeline

DescriptionNVD

AnalysisAI

Technical ContextAI

RemediationAI

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External POC / Exploit Code