CVE-2021-45482
webkitgtk: use-after-free in WebCore::ContainerNode::firstChild
Severity Score
6.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
In WebKitGTK before 2.32.4, there is a use-after-free in WebCore::ContainerNode::firstChild, a different vulnerability than CVE-2021-30889.
En WebKitGTK versiones anteriores a 2.32.4, se presenta un uso de memoria previamente liberada en la función WebCore::ContainerNode::firstChild, una vulnerabilidad diferente de CVE-2021-30889
A use-after-free vulnerability was found in webkitgtk. An attacker with network access could pass specially crafted HTML files causing an application to halt or crash.
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
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-12-25 CVE Reserved
- 2021-12-25 CVE Published
- 2024-08-04 CVE Updated
- 2024-08-04 First Exploit
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-416: Use After Free
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2022/01/21/2 | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://github.com/ChijinZ/security_advisories/tree/master/webkitgtk-2.32.3 | 2024-08-04 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2021-45482 | 2022-05-10 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2040329 | 2022-05-10 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Webkitgtk Search vendor "Webkitgtk" | Webkitgtk Search vendor "Webkitgtk" for product "Webkitgtk" | < 2.32.4 Search vendor "Webkitgtk" for product "Webkitgtk" and version " < 2.32.4" | - |
Affected
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