WebKitGTK up to 2.36.7 updateDescendantDependentFlags use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in WebKitGTK up to 2.36.7. The impacted element is the function WebCore::RenderLayer::updateDescendantDependentFlags. Such manipulation leads to use after free. This vulnerability is listed as CVE-2023-25363. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in WebKitGTK up to 2.36.7 (Web Browser). It has been rated as critical. Affected by this issue is the function WebCore::RenderLayer::updateDescendantDependentFlags. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A use-after-free vulnerability in WebCore::RenderLayer::updateDescendantDependentFlags in WebKitGTK before 2.36.8 allows attackers to execute code remotely.

The weakness was presented 03/02/2023. The advisory is available at bugs.webkit.org. This vulnerability is handled as CVE-2023-25363 since 02/06/2023. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

Upgrading to version 2.36.8 eliminates this vulnerability.

The vulnerability is also documented in the databases at EUVD (EUVD-2023-29321) and CERT Bund (WID-SEC-2023-1185). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Fedora Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Gentoo Linux
  • SUSE openSUSE
  • Red Hat OpenShift
  • RESF Rocky Linux

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WebKitGTK 2.36.8

Timelineinfo

02/06/2023 🔍
03/02/2023 +24 days 🔍
03/02/2023 +0 days 🔍
11/30/2025 +1004 days 🔍

Sourcesinfo

Advisory: bugs.webkit.org
Status: Confirmed

CVE: CVE-2023-25363 (🔍)
GCVE (CVE): GCVE-0-2023-25363
GCVE (VulDB): GCVE-100-222218
EUVD: 🔍
CERT Bund: WID-SEC-2023-1185 - Red Hat Enterprise Linux: Mehrere Schwachstellen

Entryinfo

Created: 03/02/2023 19:11
Updated: 11/30/2025 03:43
Changes: 03/02/2023 19:11 (39), 03/30/2023 17:59 (11), 10/30/2025 17:26 (16), 11/30/2025 03:43 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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