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

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-29981

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和Mozilla Thunderbird存在输入验证错误漏洞，该漏洞的存在是由于在实时范围分割期间降低寄存器分配时，对用户提供的输入验证

AI Predicted 7.8 Difficulty: Moderate EPSS 1.00% · P60

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-29981

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue present in lowering/register allocation could have led to obscure but deterministic register confusion failures in JITted code that would lead to a potentially exploitable crash. This vulnerability affects Firefox < 91 and Thunderbird < 91.
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输入验证错误漏洞
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和Mozilla Thunderbird存在输入验证错误漏洞，该漏洞的存在是由于在实时范围分割期间降低寄存器分配时，对用户提供的输入验证
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 unspecified ~ 91 -
Mozilla Thunderbird unspecified ~ 91 -

II. Public POCs for CVE-2021-29981

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-29981

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-29981 (4)

Same Patch Batch · Mozilla · 2021-08-17 · 11 CVEs total

CVE-2021-29990 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29989 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29988 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29987 Mozilla Firefox 安全漏洞
CVE-2021-29986 Mozilla Firefox 竞争条件问题漏洞
CVE-2021-29985 Mozilla Firefox 资源管理错误漏洞
CVE-2021-29984 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29983 Mozilla Firefox 资源管理错误漏洞
CVE-2021-29982 Mozilla Firefox和Mozilla Thunderbird 安全漏洞
CVE-2021-29980 Mozilla Firefox 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2021-29981

No comments yet

Leave a comment