SB2025112504 - Gentoo update for WebKitGTK+
Published: November 25, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 25 secuirty vulnerabilities.
1) Universal cross-site scripting (CVE-ID: CVE-2024-40857)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
2) Spoofing attack (CVE-ID: CVE-2024-40866)
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's address bar.
3) Buffer overflow (CVE-ID: CVE-2024-44185)
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 in WebKit. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and perform a denial of service (DoS) attack.
4) Protection Mechanism Failure (CVE-ID: CVE-2024-44187)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to an error when handling "iframe" elements in WebKit. A remote attacker can exfiltrate data cross-origin.
5) Input validation error (CVE-ID: CVE-2024-44192)
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 webpage and crash the browser.
6) Buffer overflow (CVE-ID: CVE-2024-44244)
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 create a specially crafted website, trick the victim into opening it, 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) Security features bypass (CVE-ID: CVE-2024-44296)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper checks in WebKit. A remote attacker can trick the victim into visiting a specially crafted website and prevent Content Security Policy from being enforced.
8) Information disclosure (CVE-ID: CVE-2024-54467)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a state management issue in WebKit. A remote attacker can trick the victim into visiting a specially crafted webpage and exfiltrate data cross-origin.
9) Buffer overflow (CVE-ID: CVE-2024-54551)
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 in WebKit. A remote attacker can trick the victim into visiting a specially crafted web page, trigger memory corruption and crash the application.
10) Out-of-bounds write (CVE-ID: CVE-2025-24201)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can trick the victim into visiting a specially crafted web page, trigger an out-of-bounds write and execute arbitrary code on the target system.
Note, the vulnerability is being actively exploited in the wild.
11) Universal cross-site scripting (CVE-ID: CVE-2025-24208)
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data when handling iframes. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
12) Memory corruption (CVE-ID: CVE-2025-24209)
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 website and perform an unexpected process crash.
13) Type confusion (CVE-ID: CVE-2025-24213)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error. A remote attacker can trick the victim into visiting a specially crafted website, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
14) Memory corruption (CVE-ID: CVE-2025-24216)
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 website and perform an unexpected Safari crash.
15) Memory corruption (CVE-ID: CVE-2025-24264)
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 website and perform an unexpected Safari crash.
16) Use after free (CVE-ID: CVE-2025-30427)
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 website and perform an unexpected Safari crash.
17) Buffer overflow (CVE-ID: CVE-2025-31273)
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.
18) Buffer overflow (CVE-ID: CVE-2025-31278)
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.
19) Memory corruption (CVE-ID: CVE-2025-43211)
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.
20) Memory corruption (CVE-ID: CVE-2025-43212)
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.
21) Use after free (CVE-ID: CVE-2025-43216)
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 website and crash the browser.
22) State issues (CVE-ID: CVE-2025-43227)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to a state management issue in WebKit. A remote attacker can trick the victim into opening a specially crafted website and gain access to sensitive information.
23) Spoofing attack (CVE-ID: CVE-2025-43228)
The vulnerability allows a remote attacker to perform spoofing attack.
The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can spoof the address bar.
24) Insufficient verification of data authenticity (CVE-ID: CVE-2025-43240)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to a logic error, leading to a download's origin being incorrectly associated. A remote attacker can trick the victim into downloading dangerous files from websites that appear ti be trusted.
25) Out-of-bounds read (CVE-ID: CVE-2025-43265)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in WebKit. A remote attacker can trick the victim into visiting a specially crafted website, trigger an out-of-bounds read error and read contents of memory on the system.
Remediation
Install update from vendor's website.