CVE-2025-71438

MEDIUM
Published Oct 21, 2026 Modified Oct 26, 2026 CWE-125

Description

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 Service (DoS) via supplying a crafted AC4 file.

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS — Exploit Prediction

0.0019
Probability of exploitation
0.09%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

References

Frequently Asked Questions

What is CVE-2025-71438? +
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 Service (DoS) via supplying a crafted AC4 file. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2025-71438? +
CVE-2025-71438 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0019, placing it in the 0th percentile for exploitation probability.
How do I check if I'm vulnerable to CVE-2025-71438? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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