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CVE-2026-18295— GStreamer MRF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

Quick assessment

Affected
GStreamer GStreamer
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.

GStreamer MRF 文件解析越界写入远程代码执行漏洞。该漏洞允许远程攻击者在受影响的 GStreamer 安装环境中执行任意代码。利用此漏洞需要用户交互，即目标必须访问恶意页面或打开恶意文件。 该特定缺陷存在于 MRF 文件的解析过程中。问题源于对用户提供的数据缺乏适当的验证，从而导致向已分配缓冲区的末尾之外写入数据。攻击者可利用此漏洞，以当前进程的上下文执行代码。该漏洞编号为 ZDI-CAN-29510。

AI Predicted 8.8 Difficulty: Easy EPSS 0.21% · P11

Affected Version Matrix 1

VendorProduct Version RangeStatus
GStreamer GStreamer 13fcb641ed33d1472e4ffdec2846180b15405053 affected
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I. Basic Information for CVE-2026-18295

Vulnerability Information
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Vulnerability Title
GStreamer MRF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
GStreamer MRF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of MRF files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29510.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
GStreamer GStreamer 13fcb641ed33d1472e4ffdec2846180b15405053 -

II. Public POCs for CVE-2026-18295

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III. Intelligence Information for CVE-2026-18295

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Vendor Advisories for CVE-2026-18295 (2)

Same Patch Batch · GStreamer · 2026-08-20 · 5 CVEs total

CVE-2026-18296 GStreamer MRF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2026-18299 GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerability
CVE-2026-18298 GStreamer PNG File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2026-18297 GStreamer OGG File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability

IV. Related Vulnerabilities

Same product: GStreamer
Same vendor: GStreamer
Same weakness: CWE-787

V. Comments for CVE-2026-18295

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