CVE-2025-8033— Incorrect JavaScript state machine for generators
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I. Basic Information for CVE-2025-8033
Vulnerability Information
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Vulnerability Title
Incorrect JavaScript state machine for generators
Source: NVD (National Vulnerability Database)
Vulnerability Description
The JavaScript engine did not handle closed generators correctly and it was possible to resume them leading to a nullptr deref. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.
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 代码问题漏洞
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多款产品存在代码问题漏洞，该漏洞源于JavaScript引擎未正确处理已关闭的生成器，可能导致空指针取消引用。以下产品和版本受到影响：Firefox 141
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 | 115.26 ~ 115.* | - | |
| Mozilla | Thunderbird | 128.13 ~ 128.* | - |
II. Public POCs for CVE-2025-8033
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mozilla · 2025-07-22 · 16 CVEs total
| CVE-2025-8043 | Incorrect URL truncation | |
| CVE-2025-8035 | Memory safety bugs fixed in Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, | |
| CVE-2025-8044 | Memory safety bugs fixed in Firefox 141 and Thunderbird 141 | |
| CVE-2025-8040 | Memory safety bugs fixed in Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thun | |
| CVE-2025-8034 | Memory safety bugs fixed in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13 | |
| CVE-2025-8032 | XSLT documents could bypass CSP | |
| CVE-2025-8038 | CSP frame-src was not correctly enforced for paths | |
| CVE-2025-8039 | Search terms persisted in URL bar | |
| CVE-2025-8030 | Potential user-assisted code execution in “Copy as cURL” command | |
| CVE-2025-8031 | Incorrect URL stripping in CSP reports | |
| CVE-2025-8037 | Nameless cookies shadow secure cookies | |
| CVE-2025-8028 | Large branch table could lead to truncated instruction | |
| CVE-2025-8029 | javascript: URLs executed on object and embed tags | |
| CVE-2025-8036 | DNS rebinding circumvents CORS | |
| CVE-2025-8027 | JavaScript engine only wrote partial return value to stack |
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-2025-8033
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