CVE-2025-1931— Use-after-free in WebTransportChild
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I. Basic Information for CVE-2025-1931
Vulnerability Information
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Vulnerability Title
Use-after-free in WebTransportChild
Source: NVD (National Vulnerability Database)
Vulnerability Description
It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.
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多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox等都是美国Mozilla基金会的产品。Mozilla Firefox是一款开源Web浏览器。Mozilla Firefox ESR是Firefox(Web浏览器)的一个延长支持版本。Mozilla Thunderbird是一套从Mozilla Application Suite独立出来的电子邮件客户端软件。 Mozilla多款产品存在安全漏洞，该漏洞源于释放后重用，可能导致崩溃。以下产品及版本受到影响：Firefox 136之前版本、Firefox ESR 115.21之前版
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 | 115.21 ~ 115.* | - | |
| Mozilla | Thunderbird | 128.8 ~ 128.* | - |
II. Public POCs for CVE-2025-1931
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mozilla · 2025-03-04 · 17 CVEs total
| CVE-2025-27425 | QR code user confirmation bypass with invalid protocol | |
| CVE-2025-27426 | Firefox Mobile iOS Full Address Bar Spoof Using Server-Side Redirect to internal error pag | |
| CVE-2025-27424 | Firefox Mobile iOS Address Bar Spoof Using Server-Side Redirect to non-http Scheme | |
| CVE-2025-1943 | Memory safety bugs fixed in Firefox 136 and Thunderbird 136 | |
| CVE-2025-1937 | Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 115.21, Firefox ESR | |
| CVE-2025-1938 | Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbi | |
| CVE-2025-1935 | Clickjacking the registerProtocolHandler info-bar | |
| CVE-2025-1942 | Disclosure of uninitialized memory when .toUpperCase() causes string to get longer | |
| CVE-2025-1936 | Adding %00 and a fake extension to a jar: URL changed the interpretation of the contents | |
| CVE-2025-1941 | Lock screen setting bypass in Firefox Focus for Android | |
| CVE-2025-1934 | Unexpected GC during RegExp bailout processing | |
| CVE-2025-1932 | Inconsistent comparator in XSLT sorting led to out-of-bounds access | |
| CVE-2025-1940 | Android Intent confirmation prompt tapjacking using Select options | |
| CVE-2025-1933 | JIT corruption of WASM i32 return values on 64-bit CPUs | |
| CVE-2025-1939 | Tapjacking in Android Custom Tabs using transition animations | |
| CVE-2025-1930 | AudioIPC StreamData could trigger a use-after-free in the Browser process |
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-2025-1931
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