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CVE-2021-23995

Quick assessment

Affected
Mozilla Firefox ESR
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 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 存在资源管理错误漏洞，该漏洞源于远程攻击者可利用该漏洞可以创建一个特别制作的网页，诱骗受害者使用受影响的软件打开网页，触发付费后使用错误，并在目标系统上执行任意代码。以下产品及版本受到影响：Mozilla Thunderbird: 60.0, 60.2.1,

AI Predicted 7.8 Difficulty: Hard EPSS 1.21% · P66

Possible ATT&CK Techniques 1 AI

T1210 · Exploitation of Remote Services
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I. Basic Information for CVE-2021-23995

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.
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 资源管理错误漏洞
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 存在资源管理错误漏洞，该漏洞源于远程攻击者可利用该漏洞可以创建一个特别制作的网页，诱骗受害者使用受影响的软件打开网页，触发付费后使用错误，并在目标系统上执行任意代码。以下产品及版本受到影响：Mozilla Thunderbird: 60.0, 60.2.1,
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 ESR unspecified ~ 78.10 -
Mozilla Thunderbird unspecified ~ 78.10 -
Mozilla Firefox unspecified ~ 88 -

II. Public POCs for CVE-2021-23995

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III. Intelligence Information for CVE-2021-23995

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Vendor Advisories for CVE-2021-23995 (4)

Same Patch Batch · Mozilla · 2021-06-24 · 37 CVEs total

CVE-2021-24000 Mozilla Firefox 竞争条件问题漏洞
CVE-2021-29949 Mozilla Thunderbird 代码问题漏洞
CVE-2021-29948 Mozilla Thunderbird 竞争条件问题漏洞
CVE-2021-29947 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29946 Mozilla Firefox 输入验证错误漏洞
CVE-2021-29945 Mozilla Thunderbird 安全漏洞
CVE-2021-29944 Mozilla Firefox 和 Thunderbird 跨站脚本漏洞
CVE-2021-24002 Mozilla Thunderbird 注入漏洞
CVE-2021-24001 Mozilla Firefox 权限许可和访问控制问题漏洞
CVE-2021-29950 Mozilla Thunderbird 安全漏洞
CVE-2021-23999 Mozilla Firefox 安全漏洞
CVE-2021-23998 Mozilla Firefox 数据伪造问题漏洞
CVE-2021-23997 Mozilla Firefox 资源管理错误漏洞
CVE-2021-23996 Mozilla Firefox和Mozilla Thunderbird 安全漏洞
CVE-2021-23994 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-23993 Mozilla Thunderbird 数据伪造问题漏洞
CVE-2021-23992 Mozilla Thunderbird 数据伪造问题漏洞
CVE-2021-23991 Mozilla Thunderbird 安全漏洞
CVE-2021-29959 Mozilla Firefox权限许可和访问控制问题漏洞
CVE-2021-29967 Mozilla Firefox 缓冲区错误漏洞

Showing top 20 of 37 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Firefox ESR
Same vendor: Mozilla

V. Comments for CVE-2021-23995

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