| Title | gpac v2.4.0 NULL Pointer Dereference |
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| Description | A NULL pointer dereference vulnerability exists in the dump_isom_rtp() function in applications/mp4box/filedump.c. When processing a crafted MP4 file containing a hint track without SDP information, the sdp pointer can be NULL and is passed directly to fprintf() with the %s format specifier, resulting in undefined behavior. |
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| Source | ⚠️ https://github.com/gpac/gpac/issues/3426 |
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| User | Kery Qi (UID 94424) |
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| Submission | 01/12/2026 13:56 (3 months ago) |
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| Moderation | 01/25/2026 10:57 (13 days later) |
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| Status | Accepted |
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| VulDB entry | 342806 [GPAC up to 2.4.0 filedump.c dump_isom_rtp null pointer dereference] |
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| Points | 19 |
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