Search for vulnerabilities
Vulnerability details: VCID-yqn2-6tdd-pfce
Vulnerability ID VCID-yqn2-6tdd-pfce
Aliases CVE-2024-40776
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 5.2
Risk 2.6
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
cvssv3 4.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-40776.json
epss 0.02946 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.02946 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.02946 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.02946 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.0319 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.0319 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.0319 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.0319 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.0319 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.0319 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.0319 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.0319 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.0319 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.0319 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.0319 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.0319 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.0319 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
epss 0.0319 https://api.first.org/data/v1/epss?cve=CVE-2024-40776
cvssv3.1 6.5 http://seclists.org/fulldisclosure/2024/Jul/15
ssvc Track http://seclists.org/fulldisclosure/2024/Jul/15
cvssv3.1 6.5 http://seclists.org/fulldisclosure/2024/Jul/16
ssvc Track http://seclists.org/fulldisclosure/2024/Jul/16
cvssv3.1 6.5 http://seclists.org/fulldisclosure/2024/Jul/17
ssvc Track http://seclists.org/fulldisclosure/2024/Jul/17
cvssv3.1 6.5 http://seclists.org/fulldisclosure/2024/Jul/18
ssvc Track http://seclists.org/fulldisclosure/2024/Jul/18
cvssv3.1 6.5 http://seclists.org/fulldisclosure/2024/Jul/21
ssvc Track http://seclists.org/fulldisclosure/2024/Jul/21
cvssv3.1 6.5 http://seclists.org/fulldisclosure/2024/Jul/22
ssvc Track http://seclists.org/fulldisclosure/2024/Jul/22
cvssv3.1 6.5 http://seclists.org/fulldisclosure/2024/Jul/23
ssvc Track http://seclists.org/fulldisclosure/2024/Jul/23
cvssv3.1 8.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 4.3 https://nvd.nist.gov/vuln/detail/CVE-2024-40776
cvssv3.1 6.5 https://support.apple.com/en-us/HT214116
ssvc Track https://support.apple.com/en-us/HT214116
cvssv3.1 6.5 https://support.apple.com/en-us/HT214117
ssvc Track https://support.apple.com/en-us/HT214117
cvssv3.1 6.5 https://support.apple.com/en-us/HT214119
ssvc Track https://support.apple.com/en-us/HT214119
cvssv3.1 6.5 https://support.apple.com/en-us/HT214121
ssvc Track https://support.apple.com/en-us/HT214121
cvssv3.1 6.5 https://support.apple.com/en-us/HT214122
ssvc Track https://support.apple.com/en-us/HT214122
cvssv3.1 6.5 https://support.apple.com/en-us/HT214123
ssvc Track https://support.apple.com/en-us/HT214123
cvssv3.1 6.5 https://support.apple.com/en-us/HT214124
ssvc Track https://support.apple.com/en-us/HT214124
cvssv3.1 6.5 https://www.secpod.com/blog/apple-fixes-multiple-security-vulnerabilities-in-july-2024-updates/
ssvc Track https://www.secpod.com/blog/apple-fixes-multiple-security-vulnerabilities-in-july-2024-updates/
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-40776.json
https://api.first.org/data/v1/epss?cve=CVE-2024-40776
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-40776
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
15 http://seclists.org/fulldisclosure/2024/Jul/15
16 http://seclists.org/fulldisclosure/2024/Jul/16
17 http://seclists.org/fulldisclosure/2024/Jul/17
18 http://seclists.org/fulldisclosure/2024/Jul/18
21 http://seclists.org/fulldisclosure/2024/Jul/21
22 http://seclists.org/fulldisclosure/2024/Jul/22
23 http://seclists.org/fulldisclosure/2024/Jul/23
2301841 https://bugzilla.redhat.com/show_bug.cgi?id=2301841
apple-fixes-multiple-security-vulnerabilities-in-july-2024-updates https://www.secpod.com/blog/apple-fixes-multiple-security-vulnerabilities-in-july-2024-updates/
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
CVE-2024-40776 https://nvd.nist.gov/vuln/detail/CVE-2024-40776
HT214116 https://support.apple.com/en-us/HT214116
HT214117 https://support.apple.com/en-us/HT214117
HT214119 https://support.apple.com/en-us/HT214119
HT214121 https://support.apple.com/en-us/HT214121
HT214122 https://support.apple.com/en-us/HT214122
HT214123 https://support.apple.com/en-us/HT214123
HT214124 https://support.apple.com/en-us/HT214124
RHSA-2024:8180 https://access.redhat.com/errata/RHSA-2024:8180
RHSA-2024:8492 https://access.redhat.com/errata/RHSA-2024:8492
RHSA-2024:8496 https://access.redhat.com/errata/RHSA-2024:8496
RHSA-2024:9653 https://access.redhat.com/errata/RHSA-2024:9653
RHSA-2024:9679 https://access.redhat.com/errata/RHSA-2024:9679
RHSA-2024:9680 https://access.redhat.com/errata/RHSA-2024:9680
RHSA-2025:10364 https://access.redhat.com/errata/RHSA-2025:10364
USN-6996-1 https://usn.ubuntu.com/6996-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-40776.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at http://seclists.org/fulldisclosure/2024/Jul/15
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at http://seclists.org/fulldisclosure/2024/Jul/15
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at http://seclists.org/fulldisclosure/2024/Jul/16
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at http://seclists.org/fulldisclosure/2024/Jul/16
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at http://seclists.org/fulldisclosure/2024/Jul/17
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at http://seclists.org/fulldisclosure/2024/Jul/17
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at http://seclists.org/fulldisclosure/2024/Jul/18
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at http://seclists.org/fulldisclosure/2024/Jul/18
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at http://seclists.org/fulldisclosure/2024/Jul/21
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at http://seclists.org/fulldisclosure/2024/Jul/21
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at http://seclists.org/fulldisclosure/2024/Jul/22
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at http://seclists.org/fulldisclosure/2024/Jul/22
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at http://seclists.org/fulldisclosure/2024/Jul/23
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at http://seclists.org/fulldisclosure/2024/Jul/23
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2024-40776
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://support.apple.com/en-us/HT214116
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at https://support.apple.com/en-us/HT214116
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://support.apple.com/en-us/HT214117
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at https://support.apple.com/en-us/HT214117
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://support.apple.com/en-us/HT214119
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at https://support.apple.com/en-us/HT214119
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://support.apple.com/en-us/HT214121
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at https://support.apple.com/en-us/HT214121
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://support.apple.com/en-us/HT214122
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at https://support.apple.com/en-us/HT214122
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://support.apple.com/en-us/HT214123
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at https://support.apple.com/en-us/HT214123
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://support.apple.com/en-us/HT214124
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at https://support.apple.com/en-us/HT214124
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://www.secpod.com/blog/apple-fixes-multiple-security-vulnerabilities-in-july-2024-updates/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2024-07-30T13:33:50Z/ Found at https://www.secpod.com/blog/apple-fixes-multiple-security-vulnerabilities-in-july-2024-updates/
Exploit Prediction Scoring System (EPSS)
Percentile 0.8592
EPSS Score 0.02946
Published At Aug. 14, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:45:45.812947+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/6996-1/ 37.0.0