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CVE-2026-2923— GStreamer DVB Subtitles 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是GStreamer开源的一套用于处理流媒体的框架。 GStreamer存在缓冲区错误漏洞，该漏洞源于处理坐标时缺乏对用户提供数据的验证，可能导致越界写入和远程代码执行。

AI Predicted 8.8 Difficulty: Easy EPSS 0.34% · P25

Affected Version Matrix 1

VendorProduct Version RangeStatus
GStreamer GStreamer 1c6e163aa33962f5ee4a87d29319ccdd5cb67612 affected
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I. Basic Information for CVE-2026-2923

Vulnerability Information
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Vulnerability Title
GStreamer DVB Subtitles Out-Of-Bounds Write Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
GStreamer DVB Subtitles Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the handling of coordinates. 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-28838.
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
Vulnerability Title
GStreamer 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GStreamer是GStreamer开源的一套用于处理流媒体的框架。 GStreamer存在缓冲区错误漏洞，该漏洞源于处理坐标时缺乏对用户提供数据的验证，可能导致越界写入和远程代码执行。
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 1c6e163aa33962f5ee4a87d29319ccdd5cb67612 -

II. Public POCs for CVE-2026-2923

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III. Intelligence Information for CVE-2026-2923

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Patches & Fixes for CVE-2026-2923 (1)

Vendor Advisories for CVE-2026-2923 (1)

Same Patch Batch · GStreamer · 2026-03-13 · 10 CVEs total

CVE-2026-3086 GStreamer H.266 Codec Parser Out-Of-Bounds Write Remote Code Execution Vulnerability
CVE-2026-3083 GStreamer rtpqdm2depay Out-Of-Bounds Write Remote Code Execution Vulnerability
CVE-2026-3085 GStreamer rtpqdm2depay Heap-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2026-3082 GStreamer JPEG Parser Heap-based Buffer Overflow Remote Code Execution Vulnerability
CVE-2026-3081 GStreamer H.266 Codec Parser Stack-based Buffer Overflow Remote Code Execution Vulnerabili
CVE-2026-3084 GStreamer H.266 Codec Parser Integer Underflow Remote Code Execution Vulnerability
CVE-2026-2921 GStreamer RIFF Palette Integer Overflow Remote Code Execution Vulnerability
CVE-2026-2922 GStreamer RealMedia Demuxer Out-Of-Bounds Write Remote Code Execution Vulnerability
CVE-2026-2920 GStreamer ASF Demuxer Heap-based Buffer Overflow Remote Code Execution Vulnerability

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-2923

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