| 标题 | GPAC up to commit f1219cde (2026-07-25) Memory Corruption |
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| 描述 | A vulnerability was found in GPAC up to commit f1219cde (2026-07-25) and classified as problematic. Affected is the function gf_node_list_add_child in the file scenegraph/base_scenegraph.c (line 1521) of the component MP4Box. The manipulation via a crafted MP4 file processed with the -nstatx argument leads to a segmentation fault due to invalid pointer dereference. It is possible to launch the attack locally. User interaction is required.
Technical Details
- Affected file/function: scenegraph/base_scenegraph.c:1521 / gf_node_list_add_child
- Vulnerable parameter: ADD-child scene command targeting invalid parent node in embedded scene graph
- Attack vector: Local
- Privileges required: None
- Trigger condition: Processing a crafted MP4 file with "MP4Box -nstatx" causes gf_sg_command_apply to pass an invalid parent node pointer to gf_node_insert_child then gf_node_list_add_child
Impact
- Confidentiality: None
- Integrity: None
- Availability: High
CVSS v3.1
Score: 5.5 (Medium)
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Timeline
- Discovered: 2026-07-27
- Vendor notified: 2026-07-27
- Patch released: 2026-07-28
- Public disclosure: 2026-07-27
Countermeasure
Apply the upstream patch. Validate parent node pointers before passing to gf_node_list_add_child during scene command application. |
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| 来源 | ⚠️ https://github.com/r1ck9-2q/cve_summit/blob/main/Vuln-GPAC-MP4Box-gf_node_list_add_child-SEGV.md |
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| 用户 | r1ck9 (UID 97869) |
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| 提交 | 2026-08-02 14時52分 (1 月前) |
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| 管理 | 2026-09-12 18時30分 (1 month later) |
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| 状态 | 已接受 |
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| VulDB条目 | 403161 [GPAC 直到 f1219cde MP4Box base_scenegraph.c gf_node_list_add_child 拒绝服务] |
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| 积分 | 20 |
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