An out-of-bounds read in gf_odf_ac4_cfg_dsi_v1 (/odf/descriptors.c) in GPAC Project/MP4Box before v26.07.0 allows attackers to cause a Denial of… (CVE-2025-71438)
Description
An out-of-bounds read vulnerability exists in the function gf_odf_ac4_cfg_dsi_v1 within the GPAC Project's MP4Box component prior to version 26.07.0. This flaw can be triggered by processing a specially crafted AC4 file, leading to a denial of service (DoS) condition. No CVSS score is provided, and no known exploits are reported in the wild. The vulnerability affects versions before 26.07.0 of MP4Box.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The GPAC Project's MP4Box software contains an out-of-bounds read vulnerability in the gf_odf_ac4_cfg_dsi_v1 function located in /odf/descriptors.c. This vulnerability allows an attacker to cause a denial of service by supplying a crafted AC4 file to the affected software. The issue is present in versions before 26.07.0, and no further technical details or exploitation methods are provided.
Potential Impact
Successful exploitation of this vulnerability results in a denial of service condition, potentially causing the affected application to crash or become unresponsive when processing malicious AC4 files. There is no indication of code execution or data leakage from the provided information.
Mitigation Recommendations
Upgrade to GPAC Project MP4Box version 26.07.0 or later, where this vulnerability is fixed. Since the vulnerability is patched in version 26.07.0, applying this official fix will remediate the issue.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-fr8j-836r-fqx4
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2025-71438"]
- State
- PUBLISHED
Threat ID: 6ad91ccf4d27ba8daafaa1f6
Added to database: 10/21/2026, 20:13:03 UTC
Last enriched: 10/21/2026, 20:19:38 UTC
Last updated: 10/22/2026, 00:15:12 UTC
Views: 3
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