What’s Vulnerable › Vulnerabilities

CVE-2025-71438

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-21 · updated 2026-10-28
• Weakness: 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.

References

• https://github.com/gpac/gpac/commit/13eb5b76560aaf7813b865a2ad433258478e2695
• https://github.com/gpac/gpac/issues/3303
• https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/50/50_gf_odf_ac4_cfg_dsi_v1_odf_descriptors_c_2179
• http://www.openwall.com/lists/oss-security/2026/10/22/26

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