CVE-2025-11721— Memory safety bug fixed in Firefox 144 and Thunderbird 144
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I. Basic Information for CVE-2025-11721
Vulnerability Information
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Vulnerability Title
Memory safety bug fixed in Firefox 144 and Thunderbird 144
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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 |
|---|
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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
- CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2 - CVE-2026-8094
Other issue in the WebRTC component - CVE-2026-8092
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thu - CVE-2026-8091
Incorrect boundary conditions in the Audio/Video: Playback c - CVE-2026-8090
Use-after-free in the DOM: Networking component
Same vendor: Mozilla
- CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2 - CVE-2026-8094
Other issue in the WebRTC component - CVE-2026-8092
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thu - CVE-2026-8091
Incorrect boundary conditions in the Audio/Video: Playback c - CVE-2026-8090
Use-after-free in the DOM: Networking component
V. Comments for CVE-2025-11721
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