Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-92005— Use-after-free in the Audio/Video: Web Codecs component

Quick assessment

Affected
Mozilla Firefox
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.

Mozilla Firefox是Mozilla基金会开源的一款网页浏览器。 Mozilla Firefox 156之前版本、Mozilla Firefox ESR 140.16之前版本、Mozilla Firefox ESR 153.3之前版本、Mozilla Thunderbird 156之前版本和Mozilla Thunderbird 140.16之前版本存在安全漏洞，该漏洞源于Audio/Video: Web Codecs组件存在释放后重用问题。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.36% · P27

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 6

VendorProduct Version RangeStatus
Mozilla Firefox 140.16≤ 140.* unaffected
153.3≤ 153.* unaffected
156≤ * unaffected
Mozilla Thunderbird 140.16≤ 140.* unaffected
153.3≤ 153.* unaffected
156≤ * unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-92005

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Use-after-free in the Audio/Video: Web Codecs component
Source: CVE Program / CVE List V5
Vulnerability Description
Use-after-free in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mozilla Firefox 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是Mozilla基金会开源的一款网页浏览器。 Mozilla Firefox 156之前版本、Mozilla Firefox ESR 140.16之前版本、Mozilla Firefox ESR 153.3之前版本、Mozilla Thunderbird 156之前版本和Mozilla Thunderbird 140.16之前版本存在安全漏洞，该漏洞源于Audio/Video: Web Codecs组件存在释放后重用问题。
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
Mozilla Firefox 140.16 ~ 140.* -
Mozilla Thunderbird 140.16 ~ 140.* -

II. Public POCs for CVE-2026-92005

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-92005

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-92005 (3)

Same Patch Batch · Mozilla · 2026-09-15 · 78 CVEs total

CVE-2026-92039 Mitigation bypass in the DOM: Notifications component
CVE-2026-92038 Mitigation bypass in the Remote Settings Client component
CVE-2026-92024 Use-after-free in the SVG component
CVE-2026-92036 Incorrect boundary conditions in the Networking: HTTP component
CVE-2026-92035 Sandbox escape due to incorrect boundary conditions in the Graphics component
CVE-2026-92037 Incorrect boundary conditions in the DOM: Animation component
CVE-2026-92040 Use-after-free in the JavaScript: WebAssembly component
CVE-2026-92041 Mitigation bypass in the DOM: Networking component
CVE-2026-92042 Race condition in the DOM: Content Processes component
CVE-2026-92043 Privilege escalation due to incorrect boundary conditions in the Audio/Video component
CVE-2026-92034 Site isolation issue in the Graphics component
CVE-2026-92033 Privilege escalation in Firefox for Android
CVE-2026-92032 Sandbox escape due to invalid pointer in the Graphics component
CVE-2026-92031 Information disclosure in the Graphics: ImageLib component
CVE-2026-92030 Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component
CVE-2026-92029 Use-after-free in the SVG component
CVE-2026-92028 Use-after-free in the DOM: Core & HTML component
CVE-2026-92027 Use-after-free in the DOM: Streams component
CVE-2026-92026 Use-after-free in the Networking component
CVE-2026-92025 Use-after-free in the DOM: Navigation component

Showing top 20 of 78 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2026-92005

No comments yet

Leave a comment