GPAC before 26.02.0 contains a type confusion vulnerability in ctxloadprocess() that passes non-object descriptors to ODSSetupOD() without…
CVE-2025-71469
GPAC before 26.02.0 contains a type confusion vulnerability in ctxloadprocess() that passes non-object descriptors to ODSSetupOD() without checking the descriptor tag. Attackers can supply a crafted XMT file with a URL-bearing descriptor that crashes MP4Box or other GPAC-based applications in gfscenensconnectobject(), causing denial of service.
Assessment
- CVSS
- 6.8 (v4.0)
- Severity
- Medium
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 15 November 2026
- Last updated
- 15 November 2026
- Assigner
- VulnCheck
CVSS vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
At the source
References
- https://github.com/gpac/gpac/issues/3271
- https://github.com/gpac/gpac/commit/62714f27c64a3d1eb7e880f9eed2d38673cb43ce
- https://github.com/gpac/gpac/blob/v2.4.0/src/filters/load_bt_xmt.c#L649-L656
- https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/30/30_compositor_scene_ns_c_479_in_gf_scene_ns_connect_object
- https://www.vulncheck.com/advisories/gpac-before-26.02.0-type-confusion-dos-via-xmt-bt-scene-loader
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