Webkitgtk CVE-2021-45483

MEDIUM

Use After Free (CWE-416)

2021-12-25 cve@mitre.org

Use After Free Memory Corruption Information Disclosure Webkitgtk

6.5

CVSS 3.1 · NVD

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Severity by source

NVD PRIMARY

6.5 MEDIUM

AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

1

CVE Published

Dec 25, 2021 - 01:15 nvd

MEDIUM 6.5

DescriptionNVD

In WebKitGTK before 2.32.4, there is a use-after-free in WebCore::Frame::page, a different vulnerability than CVE-2021-30889.

AnalysisAI

In WebKitGTK before 2.32.4, there is a use-after-free in WebCore::Frame::page, a different vulnerability than CVE-2021-30889. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. In WebKitGTK before 2.32.4, there is a use-after-free in WebCore::Frame::page, a different vulnerability than CVE-2021-30889. Affected products include: Webkitgtk. Version information: before 2.32.4.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.

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CVE-2021-45483 vulnerability details – vuln.today

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