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CVE-2021-21775

Quick assessment

Affected
n/a Webkit
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.

WebKitGTK+是WebKit引擎的全功能端口，包含WebKit的全部功能。 Webkit WebKitGTK 存在资源管理错误漏洞，该漏洞源于Webkit WebKitGTK 2.30.4的ImageLoader图像加载对象处理某些事件的方式存在问题。攻击者可利用该漏洞造成信息泄漏和进一步的内存损坏。

AI Predicted 7.8 Difficulty: Moderate EPSS 1.26% · P69
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I. Basic Information for CVE-2021-21775

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A use-after-free vulnerability exists in the way certain events are processed for ImageLoader objects of Webkit WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
WebKit WebKitGTK 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WebKitGTK+是WebKit引擎的全功能端口，包含WebKit的全部功能。 Webkit WebKitGTK 存在资源管理错误漏洞，该漏洞源于Webkit WebKitGTK 2.30.4的ImageLoader图像加载对象处理某些事件的方式存在问题。攻击者可利用该漏洞造成信息泄漏和进一步的内存损坏。
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
- Webkit Webkit WebKitGTK 2.30.4 -

II. Public POCs for CVE-2021-21775

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III. Intelligence Information for CVE-2021-21775

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Vendor Advisories for CVE-2021-21775 (1)

Mailing List Discussions for CVE-2021-21775 (3)

Other References for CVE-2021-21775 (1)

Same Patch Batch · n/a · 2021-07-07 · 42 CVEs total

CVE-2021-22555 8.3 HIGH Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE
CVE-2020-25925 IceWarp WebClient 跨站脚本漏洞
CVE-2021-21807 Accusoft ImageGear 输入验证错误漏洞
CVE-2021-26273 NinjaRMM 访问控制错误漏洞
CVE-2021-26274 NinjaRMM 安全漏洞
CVE-2021-28931 Fork CMS 代码问题漏洞
CVE-2021-31925 Pexip Infinity 输入验证错误漏洞
CVE-2021-33215 CommScope Ruckus IoT Controller 路径遍历漏洞
CVE-2021-33216 CommScope Ruckus IoT Controller 安全漏洞
CVE-2021-33217 CommScope Ruckus IoT Controller 缓冲区错误漏洞
CVE-2021-33218 CommScope Ruckus IoT Controller 信任管理问题漏洞
CVE-2021-33219 CommScope Ruckus IoT Controller 信任管理问题漏洞
CVE-2021-33220 CommScope Ruckus IoT Controller 信任管理问题漏洞
CVE-2021-33221 CommScope Ruckus IoT Controller 访问控制错误漏洞
CVE-2021-21787 IOBit Advanced SystemCare 安全漏洞
CVE-2021-21788 IOBit Advanced SystemCare 安全漏洞
CVE-2021-21789 IOBit Advanced SystemCare 安全漏洞
CVE-2021-21786 Iobit IOBit Advanced SystemCare 访问控制错误漏洞
CVE-2020-23700 LavaLite 跨站脚本漏洞
CVE-2020-23702 PHP-Fusion 跨站脚本漏洞

Showing top 20 of 42 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Webkit
Same vendor: n/a
Same weakness: CWE-416

V. Comments for CVE-2021-21775

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