Crash via unvalidated scene insertion target
Published Sep 15, 2026 · Updated Sep 15, 2026
Memory corruption in GPAC Project GPAC f1219cde allows context-dependent attackers to crash MP4Box through a crafted MP4 scene graph. During -nstatx processing, gf_sg_command_apply accepts an INSERT command whose target is not a valid child-bearing node, and gf_node_list_insert_child dereferences the resulting invalid list pointer. The crafted file must be processed through MP4Box's scene-statistics path; the demonstrated consequence is a segmentation fault and service interruption.
Summary
What happened
Memory corruption in GPAC Project GPAC f1219cde allows context-dependent attackers to crash MP4Box through a crafted MP4 scene graph. During -nstatx processing, gf_sg_command_apply accepts an INSERT command whose target is not a valid child-bearing node, and gf_node_list_insert_child dereferences the resulting invalid list pointer. The crafted file must be processed through MP4Box's scene-statistics path; the demonstrated consequence is a segmentation fault and service interruption.
The record
- CVE
- CVE-2026-91091
- Published
- Sep 15, 2026
- Updated
- Sep 15, 2026
- Vendor
- GPAC Project
- Product
- GPAC
- Classifications
- T1203
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 15, 2026CVE publishedPublication date reported by the CVE source.
- Sep 15, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=f1219cde
What conditions does exploitation require?
What is affected?
Published CVSS scores
No CVSS assessment is available in this record.
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Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
- poc_18_nstatxfunctional · demonstrated
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Technologies
Your stack
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Your stack
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