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CVE-2026-90791— GPAC MP4Box base_scenegraph.c gf_node_unregister use after free

Quick assessment

Affected
n/a GPAC
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GPAC是GPAC团队开源的一款多媒体处理与流媒体工具集。 GPAC f1219cde及之前版本存在安全漏洞，该漏洞源于MP4Box组件中文件scenegraph/base_scenegraph.c的函数gf_node_unregister存在释放后重用，可能导致远程攻击者利用该漏洞。

CVSS 6.3 · Medium EPSS 0.51% · P44

Affected Version Matrix 2

VendorProduct Version RangeStatus
n/a GPAC f1219cde affected
abi-16.23 unaffected
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I. Basic Information for CVE-2026-90791

Vulnerability Information
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Vulnerability Title
GPAC MP4Box base_scenegraph.c gf_node_unregister use after free
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in GPAC up to f1219cde. This vulnerability affects the function gf_node_unregister of the file scenegraph/base_scenegraph.c of the component MP4Box. The manipulation results in use after free. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version abi-16.23 is able to resolve this issue. The patch is identified as 9eb40df4448b88d6a6ce3454657c06f47eff0b24. Upgrading the affected component is recommended.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
GPAC 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GPAC是GPAC团队开源的一款多媒体处理与流媒体工具集。 GPAC f1219cde及之前版本存在安全漏洞，该漏洞源于MP4Box组件中文件scenegraph/base_scenegraph.c的函数gf_node_unregister存在释放后重用，可能导致远程攻击者利用该漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- GPAC f1219cde cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-90791

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III. Intelligence Information for CVE-2026-90791

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Vendor Advisories for CVE-2026-90791 (1)

Proof of Concept for CVE-2026-90791 (1)

Vendor Pages for CVE-2026-90791 (1)

Same Patch Batch · n/a · 2026-09-14 · 22 CVEs total

CVE-2026-90707 8.3 HIGH Open5GS Old AMF Discovery Fallback nnrf-handler.c amf_nnrf_try_old_amf_discovery_fallback
CVE-2026-90815 6.3 MEDIUM FFmpeg Convolution Filter vf_convolution.c setup_3x3 out-of-bounds
CVE-2026-90794 6.3 MEDIUM GPAC MP4Box vrml_tools.c gf_sg_script_load use after free
CVE-2026-90687 6.3 MEDIUM GPAC MP4Box base_scenegraph.c gf_node_changed_internal use after free
CVE-2026-90793 5.4 MEDIUM GPAC MP4Box base_scenegraph.c gf_node_get_name use after free
CVE-2026-90698 5.3 MEDIUM memcached mcmc Tokenizer proto_text.c try_read_command_asciiauth out-of-bounds
CVE-2026-90686 5.3 MEDIUM GPAC MP4Box loader_bt.c gf_bt_report memory corruption
CVE-2026-90816 4.3 MEDIUM FFmpeg Duration hlsproto.c parse_playlist denial of service
CVE-2026-90792 4.3 MEDIUM GPAC MP4Box base_scenegraph.c gf_node_list_get_child null pointer dereference
CVE-2026-90609 3.3 LOW GPAC MP4Box vrml_tools.c null pointer dereference
CVE-2026-90827 3.3 LOW GPAC MP4Box base_scenegraph.c gf_node_deactivate_ex use after free
CVE-2026-90610 3.3 LOW GPAC MP4Box svg_attributes.c gf_svg_attributes_copy buffer over-read
CVE-2026-90611 3.3 LOW GPAC MP4Box loader_xmt.c xmt_parse_element assertion
CVE-2026-90612 3.3 LOW GPAC MP4Box scene_dump.c gf_sm_dump_command_list assertion
CVE-2026-90613 3.3 LOW GPAC MP4Box stbl_read.c stbl_GetSampleInfos assertion
CVE-2026-90683 3.3 LOW GPAC MP4Box base_scenegraph.c gf_node_unregister assertion
CVE-2026-90824 3.3 LOW GPAC MP4Box dom_events.c gf_sg_dom_event_bubble stack-based overflow
CVE-2026-90825 3.3 LOW GPAC MP4Box base_scenegraph.c gf_node_unregister use after free
CVE-2026-90684 2.8 LOW GPAC MP4Box base_scenegraph.c gf_node_get_field_count assertion
CVE-2026-90685 2.8 LOW GPAC MP4Box lsr_dec.c lsr_exec_command_list assertion

Showing top 20 of 22 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: GPAC
Same vendor: n/a
Same weakness: CWE-416