CVE-2025-1015— Unsanitized address book fields
Quick assessment
Affected
Mozilla Thunderbird
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Mozilla Thunderbird是美国Mozilla基金会的一套从Mozilla Application Suite独立出来的电子邮件客户端软件。该软件支持IMAP、POP邮件协议以及HTML邮件格式。 Mozilla Thunderbird存在安全漏洞，该漏洞源于Thunderbird地址簿URI字段包含未经清理的链接。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-1015
Vulnerability Information
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Vulnerability Title
Unsanitized address book fields
Source: CVE Program / CVE List V5
Vulnerability Description
The Thunderbird Address Book URI fields contained unsanitized links. This could be used by an attacker to create and export an address book containing a malicious payload in a field. For example, in the “Other” field of the Instant Messaging section. If another user imported the address book, clicking on the link could result in opening a web page inside Thunderbird, and that page could execute (unprivileged) JavaScript. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mozilla Thunderbird 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Thunderbird是美国Mozilla基金会的一套从Mozilla Application Suite独立出来的电子邮件客户端软件。该软件支持IMAP、POP邮件协议以及HTML邮件格式。 Mozilla Thunderbird存在安全漏洞，该漏洞源于Thunderbird地址簿URI字段包含未经清理的链接。
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 | Thunderbird | 128.7 ~ 128.* | - |
|
II. Public POCs for CVE-2025-1015
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | an attacker to create and export an address book containing a malicious payload in a field. For example, in the “Other” field of the Instant Messaging section. If another user imported the address book, clicking on the link could result in opening a web page inside Thunderbird, and that page could execute (unprivileged) JavaScript | https://github.com/r3m0t3nu11/CVE-2025-1015 | POC Details |
AI-Generated POC
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Vendor Advisories for CVE-2025-1015 (2)
Same Patch Batch · Mozilla · 2025-02-04 · 13 CVEs total
| CVE-2025-1020 | Memory safety bugs fixed in Firefox 135 and Thunderbird 135 | |
| CVE-2025-1016 | Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR | |
| CVE-2025-1017 | Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbi | |
| CVE-2025-0510 | Address of e-mail sender can be spoofed by malicious email | |
| CVE-2025-1014 | Certificate length was not properly checked | |
| CVE-2025-1019 | Fullscreen notification not properly displayed | |
| CVE-2025-1013 | Potential opening of private browsing tabs in normal browsing windows | |
| CVE-2025-1012 | Use-after-free during concurrent delazification | |
| CVE-2025-1018 | Fullscreen notification is not displayed when fullscreen is re-requested | |
| CVE-2025-1011 | A bug in WebAssembly code generation could result in a crash | |
| CVE-2025-1009 | Use-after-free in XSLT | |
| CVE-2025-1010 | Use-after-free in Custom Highlight |
IV. Related Vulnerabilities
Same product: Thunderbird
-
CVE-2026-103500
Heap buffer overflow opening large email -
CVE-2026-100820
Privilege escalation in the Address Bar component -
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Sandbox escape due to use-after-free in the Widget: Gtk comp -
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Other issue in the JavaScript: WebAssembly component -
CVE-2026-100813
Invalid pointer in the JavaScript Engine: JIT component
Same vendor: Mozilla
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CVE-2026-103500
Heap buffer overflow opening large email -
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Mitigation bypass in the DOM: Navigation component -
CVE-2026-100831
Use-after-free in the DOM: UI Events & Focus Handling compon -
CVE-2026-100829
Mitigation bypass in the DOM: Security component
V. Comments for CVE-2025-1015
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