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

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2021-23978

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 Firefox ESR都是美国Mozilla基金会的产品。Mozilla Firefox是一款开源Web浏览器。Mozilla Firefox ESR是Firefox(Web浏览器)的一个延长支持版本。 Mozilla Firefox和Mozilla Firefox ESR 存在缓冲区错误漏洞。以下产品及版本受到影响：Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8

AI Predicted 8.4 Difficulty: Moderate EPSS 1.53% · P72

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-23978

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.
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 Firefox ESR 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox和Mozilla Firefox ESR都是美国Mozilla基金会的产品。Mozilla Firefox是一款开源Web浏览器。Mozilla Firefox ESR是Firefox(Web浏览器)的一个延长支持版本。 Mozilla Firefox和Mozilla Firefox ESR 存在缓冲区错误漏洞。以下产品及版本受到影响：Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8
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 < 86 -
Mozilla Thunderbird < 78.8 -
Mozilla Firefox ESR < 78.8 -

II. Public POCs for CVE-2021-23978

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-23978

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-23978 (7)

Mailing List Discussions for CVE-2021-23978 (1)

Same Patch Batch · Mozilla · 2021-02-26 · 25 CVEs total

CVE-2021-23960 Mozilla Firefox 安全漏洞
CVE-2021-23976 Mozilla Firefox 安全漏洞
CVE-2021-23975 Mozilla Firefox 安全漏洞
CVE-2021-23974 Mozilla Firefox 安全漏洞
CVE-2021-23973 Mozilla Thunderbird 安全漏洞
CVE-2021-23972 Mozilla Firefox 安全漏洞
CVE-2021-23971 Mozilla Firefox 安全漏洞
CVE-2021-23970 Mozilla Firefox 安全漏洞
CVE-2021-23969 Mozilla Thunderbird 安全漏洞
CVE-2021-23968 Mozilla Thunderbird 安全漏洞
CVE-2021-23962 Mozilla Firefox 安全漏洞
CVE-2021-23961 Mozilla Firefox 安全漏洞
CVE-2021-23964 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-23959 Mozilla Firefox 跨站脚本漏洞
CVE-2021-23958 Mozilla Firefox 信息泄露漏洞
CVE-2021-23957 Mozilla Firefox 安全漏洞
CVE-2021-23956 Mozilla Firefox 安全漏洞
CVE-2021-23955 Mozilla Firefox 安全漏洞
CVE-2021-23954 Mozilla Firefox 安全漏洞
CVE-2021-23953 Mozilla Firefox 安全漏洞

Showing top 20 of 25 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2021-23978

No comments yet

Leave a comment