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CVE-2026-15185— GPAC MP4Box vobsub.c vobsub_read_idx out-of-bounds

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 26.03-DEV版本存在缓冲区错误漏洞，该漏洞源于MP4Box组件的文件/src/media_tools/vobsub.c中vobsub_read_idx函数对参数num_langs的操作，可能导致越界读取。

CVSS 3.3 · Low EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a GPAC 26.03-DEV affected
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I. Basic Information for CVE-2026-15185

Vulnerability Information
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Vulnerability Title
GPAC MP4Box vobsub.c vobsub_read_idx out-of-bounds
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in GPAC 26.03-DEV. This affects the function vobsub_read_idx of the file /src/media_tools/vobsub.c of the component MP4Box. Executing a manipulation of the argument num_langs can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called 532097084729a936bcdf6a27c41003f3bd7dc3ff. It is best practice to apply a patch to resolve this issue. Two different commits were applied to fix this issue.
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
跨界内存读
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 26.03-DEV版本存在缓冲区错误漏洞，该漏洞源于MP4Box组件的文件/src/media_tools/vobsub.c中vobsub_read_idx函数对参数num_langs的操作，可能导致越界读取。
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 26.03-DEV cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15185

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III. Intelligence Information for CVE-2026-15185

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Patches & Fixes for CVE-2026-15185 (3)

Same Patch Batch · n/a · 2026-07-09 · 25 CVEs total

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CVE-2026-15194 3.3 LOW Open5GS AMF context.c amf_context_final use after free
CVE-2026-38076 Artifex jbig2dec 拒绝服务漏洞
CVE-2026-39246 kevva decompress 安全漏洞
CVE-2026-39243 kevva decompress 安全漏洞
CVE-2026-39245 kevva decompress 安全漏洞
CVE-2025-45422 Proximus b-box 安全漏洞
CVE-2026-31267 Mercusys MW302R 安全漏洞
CVE-2026-51923 docuForm GmbH Client 安全漏洞
CVE-2026-51925 docuForm GmbH Client 安全漏洞
CVE-2026-51926 docuForm GmbH FSM Client 安全漏洞
CVE-2026-51924 docuForm GmbH Client 任意文件上传漏洞
CVE-2025-63579 Kyocera Command Center RX 信息泄露漏洞
CVE-2026-51602 Tenda CP3 缓冲区错误漏洞
CVE-2026-51598 Mercury MIPC252W IP Camera 输入验证错误漏洞
CVE-2026-51599 MERCURY MIPC252W 安全漏洞
CVE-2026-51597 Mercury MIPC252W 安全漏洞
CVE-2026-51603 Tenda cp3 缓冲区错误漏洞
CVE-2026-51601 Tenda cp3 缓冲区溢出漏洞

Showing top 20 of 25 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: GPAC
Same vendor: n/a
Same weakness: CWE-125