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ubuntucveUbuntu.comUB:CVE-2023-42956
HistoryMar 28, 2024 - 12:00 a.m.

CVE-2023-42956

2024-03-2800:00:00
ubuntu.com
ubuntu.com
16
safari 17.2
ios 17.2
ipados 17.2
macos sonoma 14.2
memory handling
denial-of-service
web content
webkit
javascriptcore

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.1%

The issue was addressed with improved memory handling. This issue is fixed
in Safari 17.2, iOS 17.2 and iPadOS 17.2, macOS Sonoma 14.2. Processing web
content may lead to a denial-of-service.

Notes

Author Note
jdstrand webkit receives limited support. For details, see https://wiki.ubuntu.com/SecurityTeam/FAQ#webkit webkit in Ubuntu uses the JavaScriptCore (JSC) engine, not V8
mdeslaur It is no longer possible to build new webkit2gtk versions on focal and earlier. Marking as ignored.

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

29.1%