SB2026033046 - SUSE update for webkit2gtk3



SB2026033046 - SUSE update for webkit2gtk3

Published: March 30, 2026

Security Bulletin ID SB2026033046
Severity
High
Patch available
YES
Number of vulnerabilities 25
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 20% Medium 24% Low 56%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 25 secuirty vulnerabilities.


1) Spoofing attack (CVE-ID: CVE-2023-42843)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in WebKit. A remote attacker can spoof the browser address bar.


2) Buffer overflow (CVE-ID: CVE-2023-43010)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content in WebKit. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.


3) Buffer overflow (CVE-ID: CVE-2024-54658)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and crash the browser.


4) Buffer overflow (CVE-ID: CVE-2025-13502)

The vulnerability allows a remote attacker to crash the browser.

The vulnerability exists due to a boundary error when HTML content in WebKit. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and crash the browser.


5) Buffer overflow (CVE-ID: CVE-2025-31223)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in WebKit engine. A remote attacker can trick the victim into visiting a specially crafted webpage, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


6) Buffer overflow (CVE-ID: CVE-2025-31277)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content in WebKit. A remote attacker can trick the victim into visiting a specially crafted web page, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


7) Memory corruption (CVE-ID: CVE-2025-43213)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and crash the browser.


8) Memory corruption (CVE-ID: CVE-2025-43214)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and crash the browser.


9) Use after free (CVE-ID: CVE-2025-43368)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in WebKit Process Model. A remote attacker can trick the victim into opening a specially crafted website and crash the browser.


10) Buffer overflow (CVE-ID: CVE-2025-43419)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


11) Buffer overflow (CVE-ID: CVE-2025-43433)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into visiting a specially crafted website. trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


12) Use after free (CVE-ID: CVE-2025-43434)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected Safari crash.


13) Use-after-free (CVE-ID: CVE-2025-43438)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a use-after-free error in WebKit. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser.


14) Input validation error (CVE-ID: CVE-2025-43440)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in WebKit. A remote attacker can trick the victim into visiting a specially crafted web page and crash the browser. 


15) Buffer overflow (CVE-ID: CVE-2025-43441)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in WebKit. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and crash the browser.


16) Input validation error (CVE-ID: CVE-2025-43443)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in WebKit. A remote attacker can trick the victim into visiting a specially crafted web page and crash the browser. 


17) Use-after-free (CVE-ID: CVE-2025-43457)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a use-after-free error in WebKit. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser.


18) Use-after-free (CVE-ID: CVE-2025-43511)

The vulnerability allows a remote attacker to perform a denial of service attack. 

The vulnerability exists due to a use-after-free error in WebKit Web Inspector. A remote attacker can trick the victim into visiting a specially crafted website and perform a denial of service attack.



19) Improper Initialization (CVE-ID: CVE-2025-46299)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to improper initialization in WebKit. A remote attacker can trick the victim into visiting a specially crafted website and disclose internal states of the app.


20) Buffer overflow (CVE-ID: CVE-2026-20608)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser. 


21) Buffer overflow (CVE-ID: CVE-2026-20635)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser. 


22) Buffer overflow (CVE-ID: CVE-2026-20636)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser. 


23) Buffer overflow (CVE-ID: CVE-2026-20644)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser. 


24) Buffer overflow (CVE-ID: CVE-2026-20652)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a boundary error in WebKit when processing HTML content. A remote attacker can trick the victim into visiting a specially crafted website and crash the browser. 


25) State Issues (CVE-ID: CVE-2026-20676)

The vulnerability allows a remote attacker to track website users.

The vulnerability exists due to a state issue in WebKit. A remote attacker can track users through Safari web extensions.


Remediation

Install update from vendor's website.