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CVE-2026-90686— GPAC MP4Box loader_bt.c gf_bt_report memory corruption

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及之前版本存在缓冲区错误漏洞，该漏洞源于MP4Box组件中文件scene_manager/loader_bt.c的函数gf_bt_report处理不当，导致内存损坏，可能被远程攻击者利用。

CVSS 5.3 · Medium EPSS 0.86% · P59

Possible ATT&CK Techniques 1 AI

T1090 · Proxy

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-2026-90686

Vulnerability Information
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Vulnerability Title
GPAC MP4Box loader_bt.c gf_bt_report memory corruption
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in GPAC up to f1219cde. This affects the function gf_bt_report of the file scene_manager/loader_bt.c of the component MP4Box. The manipulation results in memory corruption. The attack may be performed from remote. The exploit has been made public and could be used. Upgrading to version abi-16.23 is able to mitigate this issue. The patch is identified as afca1f1181668d85941d51ed1adf647807d5d975. It is suggested to upgrade the affected component.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
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及之前版本存在缓冲区错误漏洞，该漏洞源于MP4Box组件中文件scene_manager/loader_bt.c的函数gf_bt_report处理不当，导致内存损坏，可能被远程攻击者利用。
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-2026-90686

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III. Intelligence Information for CVE-2026-90686

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Patches & Fixes for CVE-2026-90686 (1)

Proof of Concept for CVE-2026-90686 (1)

Vendor Pages for CVE-2026-90686 (1)

Other References for CVE-2026-90686 (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-2026-90791 6.3 MEDIUM GPAC MP4Box base_scenegraph.c gf_node_unregister 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-2026-90816 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-119