Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2025-3031— JIT optimization bug with different stack slot sizes

Quick assessment

Affected
Mozilla Firefox
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mozilla Firefox和Mozilla Thunderbird都是美国Mozilla基金会的产品。Mozilla Firefox是一款开源Web浏览器。Mozilla Thunderbird是一套从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 Firefox 137之前版本和Mozilla Thunderbird 137之前版本存在信息泄露漏洞，该漏洞源于JIT编译函数中读取栈上32位值。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.28% · P20

Possible ATT&CK Techniques 1 AI

T1056.004 · Credential API Hooking
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-3031

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
JIT optimization bug with different stack slot sizes
Source: CVE Program / CVE List V5
Vulnerability Description
An attacker could read 32 bits of values spilled onto the stack in a JIT compiled function. This vulnerability was fixed in Firefox 137 and Thunderbird 137.
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 Firefox和Mozilla Thunderbird 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox和Mozilla Thunderbird都是美国Mozilla基金会的产品。Mozilla Firefox是一款开源Web浏览器。Mozilla Thunderbird是一套从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 Firefox 137之前版本和Mozilla Thunderbird 137之前版本存在信息泄露漏洞，该漏洞源于JIT编译函数中读取栈上32位值。
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 137 ~ * -
Mozilla Thunderbird 137 ~ * -

II. Public POCs for CVE-2025-3031

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-3031

请登录查看更多情报信息。

Vendor Advisories for CVE-2025-3031 (2)

Same Patch Batch · Mozilla · 2025-04-01 · 8 CVEs total

CVE-2025-3035 Tab title disclosure across pages when using AI chatbot
CVE-2025-3034 Memory safety bugs fixed in Firefox 137 and Thunderbird 137
CVE-2025-3033 Opening local .url files could lead to another file being opened
CVE-2025-3032 Leaking file descriptors from the fork server
CVE-2025-3030 Memory safety bugs fixed in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbi
CVE-2025-3029 URL Bar Spoofing via non-BMP Unicode characters
CVE-2025-3028 Use-after-free triggered by XSLTProcessor

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2025-3031

No comments yet

Leave a comment