// For flags

CVE-2021-30952

webkitgtk: Processing maliciously crafted web content may lead to arbitrary code execution

Severity Score

7.8
*CVSS v3.1

Exploit Likelihood

< 1%
*EPSS

Affected Versions

10
*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

An integer overflow was addressed with improved input validation. This issue is fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Se abordó un desbordamiento de enteros con una comprobación de entrada mejorada.&#xa0;Este problema es corregido en tvOS versión 15.2, macOS Monterey versión 12.1, Safari versión 15.2, iOS versión 15.2 e iPadOS versión 15.2, watchOS versión 8.3.&#xa0;El procesamiento de contenido web creado con fines maliciosos puede conllevar a una ejecución de código arbitrario

A flaw was found in webkitgtk. The vulnerability occurs due to improper input validation, which can lead to an integer overflow. An attacker with network access could pass specially crafted web content files causing an application to halt, crash, or may lead to arbitrary code execution.

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Issues addressed include buffer overflow, bypass, code execution, cross site scripting, information leakage, out of bounds read, and use-after-free vulnerabilities.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-04-13 CVE Reserved
  • 2021-08-24 CVE Published
  • 2024-08-03 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-190: Integer Overflow or Wraparound
CAPEC
Affected Vendors, Products, and Versions (10)