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CVE-2025-15667— GPAC MP4Box avc_ext.c gf_isom_nalu_sample_rewrite double 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团队开源的一款开源的多媒体框架。 GPAC 2.5-DEV之前版本存在安全漏洞，该漏洞源于MP4Box组件中src/isomedia/avc_ext.c文件的gf_isom_nalu_sample_rewrite函数对参数nalu_out_bs的操作导致双重释放，可能允许本地攻击者利用该漏洞。

CVSS 3.3 · Low EPSS 0.16% · P4

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a GPAC 2.5-DEV affected
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I. Basic Information for CVE-2025-15667

Vulnerability Information
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Vulnerability Title
GPAC MP4Box avc_ext.c gf_isom_nalu_sample_rewrite double free
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in GPAC up to 2.5-DEV. This vulnerability affects the function gf_isom_nalu_sample_rewrite of the file src/isomedia/avc_ext.c of the component MP4Box. This manipulation of the argument nalu_out_bs causes double free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Patch name: f29f955f2a3b5e8e507caad3e52319f961bf37bf. To fix this issue, it is recommended to deploy a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
双重释放
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团队开源的一款开源的多媒体框架。 GPAC 2.5-DEV之前版本存在安全漏洞，该漏洞源于MP4Box组件中src/isomedia/avc_ext.c文件的gf_isom_nalu_sample_rewrite函数对参数nalu_out_bs的操作导致双重释放，可能允许本地攻击者利用该漏洞。
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 2.5-DEV cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-15667

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III. Intelligence Information for CVE-2025-15667

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Patches & Fixes for CVE-2025-15667 (1)

Vendor Advisories for CVE-2025-15667 (1)

Proof of Concept for CVE-2025-15667 (1)

Same Patch Batch · n/a · 2026-07-06 · 8 CVEs total

CVE-2026-14792 6.5 MEDIUM Formbricks Survey actions.ts access control
CVE-2025-15668 3.3 LOW GPAC MP4Box box_code_base.c sgpd_del_entry heap-based overflow
CVE-2026-14801 3.3 LOW GPAC TeXML File load_text.c txtin_probe_duration divide by zero
CVE-2026-14790 3.3 LOW GPAC Media File write_nhml.c nhmldump_send_frame null pointer dereference
CVE-2026-38976 Hayato Ishida mruby/c 安全漏洞
CVE-2026-38973 Hayato Ishida mruby/c 安全漏洞
CVE-2026-38979 Ajenti Project Ajenti 安全漏洞

IV. Related Vulnerabilities

Same product: GPAC
Same vendor: n/a
Same weakness: CWE-415

V. Comments for CVE-2025-15667

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