CVE-2025-0241— Memory corruption when using JavaScript Text Segmentation
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I. Basic Information for CVE-2025-0241
Vulnerability Information
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Vulnerability Title
Memory corruption when using JavaScript Text Segmentation
Source: NVD (National Vulnerability Database)
Vulnerability Description
When segmenting specially crafted text, segmentation would corrupt memory leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.
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 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 134版本之前存在安全漏洞，该漏洞源于当对特制的文本进行分段时，分段会破坏内存，从而导致可能被利用的崩溃。
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 | 128.6 ~ 128.* | - | |
| Mozilla | Thunderbird | 128.6 ~ 128.* | - |
II. Public POCs for CVE-2025-0241
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mozilla · 2025-01-07 · 11 CVEs total
| CVE-2025-0245 | Lock screen setting bypass in Firefox Focus for Android | |
| CVE-2025-0244 | Address bar spoofing using an invalid protocol scheme on Firefox for Android | |
| CVE-2025-0239 | Alt-Svc ALPN validation failure when redirected | |
| CVE-2025-0246 | Address bar spoofing using an invalid protocol scheme on Firefox for Android | |
| CVE-2025-0237 | WebChannel APIs susceptible to confused deputy attack | |
| CVE-2025-0238 | Use-after-free when breaking lines in text | |
| CVE-2025-0240 | Compartment mismatch when parsing JavaScript JSON module | |
| CVE-2025-0243 | Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbi | |
| CVE-2025-0242 | Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR | |
| CVE-2025-0247 | Memory safety bugs fixed in Firefox 134 and Thunderbird 134 |
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-2025-0241
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