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CVE-2024-40779

17
FAUCET Score

CVE-2024-40779 is an out-of-bounds read vulnerability affecting Apple's iOS, iPadOS, macOS, Safari, tvOS, visionOS, and watchOS. It has a CVSS score of 5.5 (Medium) and could lead to an unexpected process crash when processing maliciously crafted web content. The attack requires user interaction (UI:R) and local access (AV:L), but has low attack complexity (AC:L). There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 16.7.9CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
>= 17.0, < 17.6CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
< 16.7.9CPE matchmatch criteria
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
>= 17.0, < 17.6CPE matchmatch criteria
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
< 17.6CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 33rd percentile among its peer group of 5,765 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (14)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 Extended Lifecycle SupportFixed in: webkitgtk4-0:2.48.3-2.el7_9
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: webkit2gtk3-0:2.46.3-1.el8_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: webkit2gtk3-0:2.46.3-1.el8_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: webkit2gtk3-0:2.46.3-1.el8_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceFixed in: webkit2gtk3-0:2.46.3-1.el8_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsFixed in: webkit2gtk3-0:2.46.3-1.el8_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportFixed in: webkit2gtk3-0:2.46.3-1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Telecommunications Update ServiceFixed in: webkit2gtk3-0:2.46.3-1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Update Services for SAP SolutionsFixed in: webkit2gtk3-0:2.46.3-1.el8_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.8 Extended Update SupportFixed in: webkit2gtk3-0:2.46.3-1.el8_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: webkit2gtk3-0:2.46.1-2.el9_4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Update Services for SAP SolutionsFixed in: webkit2gtk3-0:2.46.1-1.el9_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.2 Extended Update SupportFixed in: webkit2gtk3-0:2.46.1-1.el9_2
View patch
applevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2024-40779Moderate

webkitgtk: webkit2gtk: Out-of-bounds read was addressed with improved bounds checking

Jul 29, 2024

References

seclists.org / fulldisclosure/2024/Jul/15
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2024/Jul/16
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2024/Jul/17
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2024/Jul/18
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2024/Jul/21
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2024/Jul/22
Mailing ListThird Party Advisory
seclists.org / fulldisclosure/2024/Jul/23
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2024/09/msg00006.html
support.apple.com / en-us/HT214116
Release NotesVendor Advisory
support.apple.com / en-us/HT214117
Release NotesVendor Advisory
support.apple.com / en-us/HT214119
Release NotesVendor Advisory
support.apple.com / en-us/HT214121
Release NotesVendor Advisory
support.apple.com / en-us/HT214122
Release NotesVendor Advisory
support.apple.com / en-us/HT214123
Release NotesVendor Advisory
support.apple.com / en-us/HT214124
Release NotesVendor Advisory
support.apple.com / kb/HT214116
support.apple.com / kb/HT214117
support.apple.com / kb/HT214119
support.apple.com / kb/HT214122
support.apple.com / kb/HT214123
support.apple.com / kb/HT214124
support.apple.com / en-us/120908
support.apple.com / en-us/120909
support.apple.com / en-us/120911
support.apple.com / en-us/120913
support.apple.com / en-us/120914
support.apple.com / en-us/120915
support.apple.com / en-us/120916