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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.

在 GPAC（版本 f1219cde 及之前）中发现了一个漏洞。该漏洞位于 MP4Box 组件中 scene_manager/loader_bt.c 文件的 gf_bt_report 函数。通过对该函数的特定操作可导致内存损坏。此攻击可远程实施。利用该漏洞的方法已被公开，并可能被利用。升级到 abi-16.23 版本可缓解此问题。对应的补丁编号为 afca1f1181668d85941d51ed1adf647807d5d975。建议升级受影响的组件以修复此问题。

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1090 · Proxy
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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

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 · 10 CVEs total

CVE-2026-90687 6.3 MEDIUM GPAC MP4Box base_scenegraph.c gf_node_changed_internal use after free
CVE-2026-90683 3.3 LOW GPAC MP4Box base_scenegraph.c gf_node_unregister assertion
CVE-2026-90613 3.3 LOW GPAC MP4Box stbl_read.c stbl_GetSampleInfos assertion
CVE-2026-90612 3.3 LOW GPAC MP4Box scene_dump.c gf_sm_dump_command_list assertion
CVE-2026-90611 3.3 LOW GPAC MP4Box loader_xmt.c xmt_parse_element assertion
CVE-2026-90610 3.3 LOW GPAC MP4Box svg_attributes.c gf_svg_attributes_copy buffer over-read
CVE-2026-90609 3.3 LOW GPAC MP4Box vrml_tools.c null pointer dereference
CVE-2026-90685 2.8 LOW GPAC MP4Box lsr_dec.c lsr_exec_command_list assertion
CVE-2026-90684 2.8 LOW GPAC MP4Box base_scenegraph.c gf_node_get_field_count assertion

IV. Related Vulnerabilities

Same product: GPAC
Same vendor: n/a
Same weakness: CWE-119

V. Comments for CVE-2026-90686

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