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

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-16361— Memory safety bugs fixed in Thunderbird ESR 140.13

AI Predicted 8.6 Difficulty: Hard EPSS 0.31% · P23

Possible ATT&CK Techniques 1AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 3

VendorProductVersion RangeStatus
MozillaFirefox115.38≤ 115.*unaffected
140.13≤ *unaffected
MozillaThunderbird140.13≤ *unaffected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-16361

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Memory safety bugs fixed in Thunderbird ESR 140.13
Source: CVE Program / CVE List V5
Vulnerability Description
Memory safety bugs present in Thunderbird ESR 140.12. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox ESR 115.38, Firefox ESR 140.13, and Thunderbird 140.13.
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 ESR 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox ESR是Mozilla基金会开源的Firefox(Web浏览器)的一个延长支持版本。 Mozilla Firefox ESR 115.37版本和140.12版本存在缓冲区错误漏洞，该漏洞源于内存安全错误，可能导致内存损坏，进而被利用执行任意代码。
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

VendorProductAffected VersionsCPESubscribe
MozillaFirefox 115.38 ~ 115.* -
MozillaThunderbird 140.13 ~ * -

II. Public POCs for CVE-2026-16361

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-16361

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-16361 (4)

Same Patch Batch · Mozilla · 2026-07-21 · 64 CVEs total

CVE-2026-16374Information disclosure in the Framework component in DevTools
CVE-2026-16364Incorrect boundary conditions in the Audio/Video: Playback component
CVE-2026-16362Use-after-free in the WebRTC: Audio/Video component
CVE-2026-16352Sandbox escape due to use-after-free in the Disability Access APIs component
CVE-2026-16363JIT miscompilation in the JavaScript: WebAssembly component
CVE-2026-16356Sandbox escape due to use-after-free in the Disability Access APIs component
CVE-2026-16370Mitigation bypass in the DOM: Networking component
CVE-2026-16371Privilege escalation in the DOM: Navigation component
CVE-2026-16372Privilege escalation in the DOM: Content Processes component
CVE-2026-16373Information disclosure in the Privacy component in Firefox for Android
CVE-2026-16357Incorrect boundary conditions in the Graphics component
CVE-2026-16375Site isolation issue in the Networking: HTTP component
CVE-2026-16376Denial-of-service in the Graphics: WebGPU component
CVE-2026-16377Mitigation bypass in the PDF Viewer component
CVE-2026-16378Other issue in the DOM: Copy & Paste and Drag & Drop component
CVE-2026-16379Privilege escalation in the DOM: Content Processes component
CVE-2026-16358Site isolation issue in the Graphics: WebRender component
CVE-2026-16381Same-origin policy bypass in the Networking: DNS component
CVE-2026-16380Mitigation bypass in the Networking component
CVE-2026-16382Mitigation bypass in the DOM: Service Workers component

Showing top 20 of 64 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2026-16361

No comments yet

Leave a comment