SB2026012824 - Anolis OS update for webkitgtk



SB2026012824 - Anolis OS update for webkitgtk

Published: January 28, 2026

Security Bulletin ID SB2026012824
Severity
High
Patch available
YES
Number of vulnerabilities 13
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 15% Medium 23% Low 62%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 13 secuirty vulnerabilities.


1) 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.


2) Information disclosure (CVE-ID: CVE-2025-13947)

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

The vulnerability exists due to excessive data output in WebKit. A remote attacker can trick the victim into visiting a specially crafted website and exfiltrate system information. 


3) Improper access control (CVE-ID: CVE-2025-43392)

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

The vulnerability exists due to incorrect handling of cached data in WebKit Canvas. A remote attacker can trick the victim into visiting a specially crafted website and exfiltrate data cross-origin.


4) 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.


5) Buffer overflow (CVE-ID: CVE-2025-43425)

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.


6) State issues (CVE-ID: CVE-2025-43427)

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

The vulnerability exists due to a state management issue in WebKit. A remote attacker can trick the victim into opening a specially crafted file and perform an unexpected process crash.


7) Buffer overflow (CVE-ID: CVE-2025-43429)

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.


8) Input validation error (CVE-ID: CVE-2025-43430)

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 opening a specially crafted web page and crash the browser.


9) Buffer overflow (CVE-ID: CVE-2025-43431)

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.


10) 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.


11) 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. 


12) 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. 


13) Buffer overflow (CVE-ID: CVE-2025-66287)

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.


Remediation

Install update from vendor's website.