CVE-2025-1934— Unexpected GC during RegExp bailout processing
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I. Basic Information for CVE-2025-1934
Vulnerability Information
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Vulnerability Title
Unexpected GC during RegExp bailout processing
Source: NVD (National Vulnerability Database)
Vulnerability Description
It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it. This vulnerability was fixed in Firefox 136, 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，该漏洞源于垃圾回收触发异常。以下产品及版本受到影响：Firefox 136之前版本、Firefox ESR 128.8之前版本、Thu
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 | 128.8 ~ 128.* | - | |
| Mozilla | Thunderbird | 128.8 ~ 128.* | - |
II. Public POCs for CVE-2025-1934
| # | 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-2025-1932 | 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-2025-1931 | Use-after-free in WebTransportChild | |
| 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-2025-1934
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