Vulnerabilities
Misconfiguration
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CVE Vulnerabilities

CVE-2024-40776

Use After Free

Published: Jul 29, 2024 | Modified: Nov 04, 2025
CVSS 3.x
4.3
MEDIUM
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CVSS 2.x
RedHat/V2
RedHat/V3
4.3 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2024-40776
CWEhttps://cwe.mitre.org/data/definitions/416.html

A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 16.7.9 and iPadOS 16.7.9, Safari 17.6, iOS 17.6 and iPadOS 17.6, watchOS 10.6, tvOS 17.6, visionOS 1.3, macOS Sonoma 14.6. Processing maliciously crafted web content may lead to an unexpected process crash.

Weakness

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory “belongs” to the code that operates on the new pointer.

Affected Software

NameVendorStart VersionEnd Version
Iphone_osApple*16.7.9 (excluding)
Iphone_osApple17.0 (including)17.6 (excluding)
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRedHatwebkitgtk4-0:2.48.3-2.el7_9*
Red Hat Enterprise Linux 8.2 Advanced Update SupportRedHatwebkit2gtk3-0:2.46.3-1.el8_2*
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRedHatwebkit2gtk3-0:2.46.3-1.el8_4*
Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRedHatwebkit2gtk3-0:2.46.3-1.el8_4*
Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsRedHatwebkit2gtk3-0:2.46.3-1.el8_4*
Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportRedHatwebkit2gtk3-0:2.46.3-1.el8_6*
Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceRedHatwebkit2gtk3-0:2.46.3-1.el8_6*
Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsRedHatwebkit2gtk3-0:2.46.3-1.el8_6*
Red Hat Enterprise Linux 9RedHatwebkit2gtk3-0:2.46.1-2.el9_4*
Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsRedHatwebkit2gtk3-0:2.46.1-1.el9_0*
Red Hat Enterprise Linux 9.2 Extended Update SupportRedHatwebkit2gtk3-0:2.46.1-1.el9_2*
Qtwebkit-opensource-srcUbuntudevel*
Qtwebkit-opensource-srcUbuntuesm-apps/bionic*
Qtwebkit-opensource-srcUbuntuesm-apps/focal*
Qtwebkit-opensource-srcUbuntuesm-apps/jammy*
Qtwebkit-opensource-srcUbuntuesm-apps/noble*
Qtwebkit-opensource-srcUbuntuesm-infra/xenial*
Qtwebkit-opensource-srcUbuntufocal*
Qtwebkit-opensource-srcUbuntujammy*
Qtwebkit-opensource-srcUbuntunoble*
Qtwebkit-sourceUbuntuesm-apps/bionic*
Qtwebkit-sourceUbuntuesm-apps/xenial*
Webkit2gtkUbuntudevel*
Webkit2gtkUbuntuesm-infra/bionic*
Webkit2gtkUbuntuesm-infra/focal*
Webkit2gtkUbuntuesm-infra/xenial*
Webkit2gtkUbuntufocal*
Webkit2gtkUbuntujammy*
Webkit2gtkUbuntunoble*
WebkitgtkUbuntuesm-apps/bionic*
WebkitgtkUbuntuesm-apps/xenial*
WpewebkitUbuntuesm-apps/focal*
WpewebkitUbuntuesm-apps/jammy*
WpewebkitUbuntufocal*
WpewebkitUbuntujammy*

Potential Mitigations

References

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