What’s Vulnerable › Vulnerabilities

CVE-2025-70116

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-27 · updated 2026-10-12
• Weakness: CWE-476

Description

A NULL pointer dereference in GPAC MP4Box: when parsing certain truncated MP4 files, an unknown/invalid stsd entry can result in missing descriptor fields (e.g., codec/mime/profile strings). gf_media_map_esd then calls strlen() on a NULL pointer, triggering a crash (ASan SEGV).

References

• https://github.com/gpac/gpac/issues/3345
• https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/68/68_gf_media_map_esd_media_tools_isom_tools_c_1364
• https://infosec.exchange/@sigdevel/116624563750949972
• http://www.openwall.com/lists/oss-security/2026/05/30/2
• https://github.com/gpac/gpac/issues/3345

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