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

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2025-11721— Memory safety bug fixed in Firefox 144 and Thunderbird 144

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和Mozilla Thunderbird都是美国Mozilla基金会的产品。Mozilla Firefox是一款开源Web浏览器。Mozilla Thunderbird是一套从Mozilla Application Suite独立出来的电子邮件客户端软件。该软件支持IMAP、POP邮件协议以及HTML邮件格式。 Mozilla Firefox 144之前版本和Mozilla Thunderbird 144之前版本存在安全漏洞，该漏洞源于内存损坏，可能导致执行任意代码。

AI Predicted 8.7 Difficulty: Moderate EPSS 0.34% · P27

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-11721

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 bug fixed in Firefox 144 and Thunderbird 144
Source: CVE Program / CVE List V5
Vulnerability Description
Memory safety bug present in Firefox 143 and Thunderbird 143. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 144 and Thunderbird 144.
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和Mozilla Thunderbird 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox和Mozilla Thunderbird都是美国Mozilla基金会的产品。Mozilla Firefox是一款开源Web浏览器。Mozilla Thunderbird是一套从Mozilla Application Suite独立出来的电子邮件客户端软件。该软件支持IMAP、POP邮件协议以及HTML邮件格式。 Mozilla Firefox 144之前版本和Mozilla Thunderbird 144之前版本存在安全漏洞，该漏洞源于内存损坏，可能导致执行任意代码。
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

Vendor Product Affected Versions CPE Subscribe
Mozilla Firefox 144 ~ * -
Mozilla Thunderbird 144 ~ * -

II. Public POCs for CVE-2025-11721

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-11721

请登录查看更多情报信息。

Vendor Advisories for CVE-2025-11721 (2)

Same Patch Batch · Mozilla · 2025-10-14 · 14 CVEs total

CVE-2025-11711 Some non-writable Object properties could be modified
CVE-2025-11710 Cross-process information leaked due to malicious IPC messages
CVE-2025-11709 Out of bounds read/write in a privileged process triggered by WebGL textures
CVE-2025-11714 Memory safety bugs fixed in Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird ESR 140.4,
CVE-2025-11708 Use-after-free in MediaTrackGraphImpl::GetInstance()
CVE-2025-11715 Memory safety bugs fixed in Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144 and Thun
CVE-2025-11712 An OBJECT tag type attribute overrode browser behavior on web resources without a content-
CVE-2025-11713 Potential user-assisted code execution in “Copy as cURL” command
CVE-2025-11719 Use-after-free caused by the native messaging web extension API on Windows
CVE-2025-11716 Sandboxed iframes allowed links to open in external apps (Android only)
CVE-2025-11720 Spoofing risk in Android custom tabs
CVE-2025-11717 The password edit screen was not hidden in Android card view
CVE-2025-11718 Address bar could be spoofed on Android using visibilitychange

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2025-11721

No comments yet

Leave a comment