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CVE-2026-91086— GPAC MPEG Video Reframer reframe_mpgvid.c mpgviddmx_process heap-based overflow

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 的版本 up to f1219cde 中检测到一个安全漏洞。受此问题影响的是位于 文件中的 函数，该函数属于 MPEG 视频重构帧组件。该操作会导致基于堆的缓冲区溢出。攻击者可以远程执行此攻击。该漏洞的利用方式已公开披露，并可能被利用。将版本升级至 abi-16.23 可以解决此问题。补丁的名称为 afca1f1181668d85941d51ed1adf647807d5d975。建议升级受影响的组件。

CVSS 6.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-91086

Vulnerability Information
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Vulnerability Title
GPAC MPEG Video Reframer reframe_mpgvid.c mpgviddmx_process heap-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in GPAC up to f1219cde. Affected by this issue is the function mpgviddmx_process of the file filters/reframe_mpgvid.c of the component MPEG Video Reframer. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. Upgrading to version abi-16.23 can resolve this issue. The name of the patch is afca1f1181668d85941d51ed1adf647807d5d975. Upgrading the affected component is recommended.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
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-2026-91086

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III. Intelligence Information for CVE-2026-91086

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Patches & Fixes for CVE-2026-91086 (1)

Proof of Concept for CVE-2026-91086 (1)

Vendor Pages for CVE-2026-91086 (1)

Other References for CVE-2026-91086 (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-2026-91088 4.8 MEDIUM GPAC URL url.c gf_url_concatenate_ex heap-based overflow
CVE-2026-91091 4.3 MEDIUM GPAC Node Insertion base_scenegraph.c gf_node_list_insert_child memory corruption
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-122

V. Comments for CVE-2026-91086

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