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CVE-2026-91091— GPAC Node Insertion base_scenegraph.c gf_node_list_insert_child 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 的 f1219cde 之前的版本中发现了一个漏洞。受影响的元素是位于 文件中的 函数，该函数属于“节点插入”组件。对该函数的操作会导致内存损坏。此攻击可以远程发起，且利用该漏洞的方法已公开可用。升级到版本 足以解决此问题。修复该漏洞的补丁名称为 。建议升级受影响的组件。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-91091

Vulnerability Information
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Vulnerability Title
GPAC Node Insertion base_scenegraph.c gf_node_list_insert_child memory corruption
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was identified in GPAC up to f1219cde. The impacted element is the function gf_node_list_insert_child of the file scenegraph/base_scenegraph.c of the component Node Insertion. Such manipulation leads to memory corruption. The attack can be launched remotely. The exploit is publicly available and might be used. Upgrading to version abi-16.23 is sufficient to resolve this issue. The name of the patch is 49dee5cad329cfed310c1682703df7daa47df31a. 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:R/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-2026-91091

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III. Intelligence Information for CVE-2026-91091

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Patches & Fixes for CVE-2026-91091 (2)

Vendor Pages for CVE-2026-91091 (1)

Other References for CVE-2026-91091 (1)

Same Patch Batch · n/a · 2026-09-15 · 6 CVEs total

CVE-2026-91087 7.3 HIGH GPAC Compositor media_object.c gf_mo_get_od_id use after free
CVE-2026-91089 6.3 MEDIUM GPAC base_scenegraph.c gf_node_get_name_and_id use after free
CVE-2026-91086 6.3 MEDIUM GPAC MPEG Video Reframer reframe_mpgvid.c mpgviddmx_process heap-based overflow
CVE-2026-91088 4.8 MEDIUM GPAC URL url.c gf_url_concatenate_ex heap-based overflow
CVE-2026-91090 3.9 LOW GPAC base_scenegraph.c gf_node_activate_ex stack-based overflow

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-91091

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