CVE-2025-49710— Integer overflow in OrderedHashTable
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I. Basic Information for CVE-2025-49710
Vulnerability Information
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Vulnerability Title
Integer overflow in OrderedHashTable
Source: NVD (National Vulnerability Database)
Vulnerability Description
An integer overflow was present in `OrderedHashTable` used by the JavaScript engine. This vulnerability was fixed in Firefox 139.0.4.
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 139.0.4之前版本存在安全漏洞，该漏洞源于JavaScript引擎中OrderedHashTable存在整数溢出。
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
II. Public POCs for CVE-2025-49710
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Same Patch Batch · Mozilla · 2025-06-11 · 4 CVEs total
| CVE-2025-49709 | Memory corruption in canvas surfaces | |
| CVE-2025-5986 | Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// L | |
| CVE-2025-5687 | Local privilege escalation vulnerability in Mozilla VPN clients for macOS v2.27.0 and belo |
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
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