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CVE-2026-18298— GStreamer PNG File Parsing Heap-based Buffer Overflow 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是GStreamer组织开源的一个多媒体处理开发框架。 GStreamer 13fcb641ed33d1472e4ffdec2846180b15405053版本存在缓冲区错误漏洞，该漏洞源于解析PNG文件时未正确验证用户提供数据的长度便拷贝至堆缓冲区，可能导致远程代码执行。

AI Predicted 8.8 Difficulty: Easy EPSS 0.22% · P12

Affected Version Matrix 1

VendorProduct Version RangeStatus
GStreamer GStreamer 13fcb641ed33d1472e4ffdec2846180b15405053 affected
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I. Basic Information for CVE-2026-18298

Vulnerability Information
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Vulnerability Title
GStreamer PNG File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
GStreamer PNG File Parsing Heap-based Buffer Overflow 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 PNG files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29581.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
GStreamer 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GStreamer是GStreamer组织开源的一个多媒体处理开发框架。 GStreamer 13fcb641ed33d1472e4ffdec2846180b15405053版本存在缓冲区错误漏洞，该漏洞源于解析PNG文件时未正确验证用户提供数据的长度便拷贝至堆缓冲区，可能导致远程代码执行。
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
GStreamer GStreamer 13fcb641ed33d1472e4ffdec2846180b15405053 -

II. Public POCs for CVE-2026-18298

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III. Intelligence Information for CVE-2026-18298

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Vendor Advisories for CVE-2026-18298 (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-2026-18295 GStreamer MRF File Parsing Out-Of-Bounds Write 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-122

V. Comments for CVE-2026-18298

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