Out-of-bounds write in Apple Safari
Priority MEDIUM 41CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 15 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.
Summary
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.2, iOS 18.2 and iPadOS 18.2, iPadOS 17.7.6, macOS Sequoia 15.2, tvOS 18.2, visionOS 2.2, watchOS 11.2. Processing maliciously crafted web content may lead to memory corruption.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00801 56th percentileScored 2026-11-07
Fix Partial Safari (Apple): 18.2iOS and iPadOS (Apple): 18.2+5 more productsRed Hat: 10 advisoriesRed Hat: 15 fixed, 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | Safari | before 18.2 | 18.2 | Patch available | CNA |
| Apple | iOS and iPadOS | before 18.2 | 18.2 | Patch available | CNA |
| Apple | iPadOS | before 17.7.6 | 17.7.6 | Patch available | CNA |
| Apple | macOS | before 15.2 | 15.2 | Patch available | CNA |
| Apple | tvOS | before 18.2 | 18.2 | Patch available | CNA |
| Apple | visionOS | before 2.2 | 2.2 | Patch available | CNA |
| Apple | watchOS | before 11.2 | 11.2 | Patch available | CNA |
- Safari VendorApple Affected before 18.2 Fixed in 18.2 Patch available CNA
- iOS and iPadOS VendorApple Affected before 18.2 Fixed in 18.2 Patch available CNA
- iPadOS VendorApple Affected before 17.7.6 Fixed in 17.7.6 Patch available CNA
- macOS VendorApple Affected before 15.2 Fixed in 15.2 Patch available CNA
- tvOS VendorApple Affected before 18.2 Fixed in 18.2 Patch available CNA
- visionOS VendorApple Affected before 2.2 Fixed in 2.2 Patch available CNA
- watchOS VendorApple Affected before 11.2 Fixed in 11.2 Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | before 18.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 18.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 18.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | before 15.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 18.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* | before 2.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 11.2 | Vulnerable | Apple |
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 18.2 Vulnerable ·Apple
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 18.2 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 18.2 Vulnerable ·Apple
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 15.2 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 18.2 Vulnerable ·Apple
- cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 2.2 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 11.2 Vulnerable ·Apple
Remediation
- Fix · CNA Safari (Apple) Fixed in 18.2
- Fix · CNA iOS and iPadOS (Apple) Fixed in 18.2
- Fix · CNA iPadOS (Apple) Fixed in 17.7.6
- Fix · CNA macOS (Apple) Fixed in 15.2
- Fix · CNA tvOS (Apple) Fixed in 18.2
- Fix · CNA visionOS (Apple) Fixed in 2.2
- Fix · CNA watchOS (Apple) Fixed in 11.2
Red Hat 10 advisories
- RHSA-2025:10364 Released 2025-07-07 · Red Hat rating Importantwebkitgtk4 security update
- Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4-2.48.3-2.el7_9, webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-jsc-2.48.3-2.el7_9 +1
- Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-doc-2.48.3-2.el7_9, webkitgtk4-jsc-devel-2.48.3-2.el7_9
- RHSA-2025:2125 Released 2025-03-03 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream EUS (v.9.4) webkit2gtk3-2.46.6-1.el9_4, webkit2gtk3-devel-2.46.6-1.el9_4, webkit2gtk3-jsc-2.46.6-1.el9_4 +1
- RHSA-2025:2126 Released 2025-03-03 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) webkit2gtk3-2.46.6-1.el9_2, webkit2gtk3-devel-2.46.6-1.el9_2, webkit2gtk3-jsc-2.46.6-1.el9_2 +1
Show 7 more Red Hat advisories
- RHSA-2025:2121 Released 2025-03-03 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) webkit2gtk3-2.46.6-1.el8_6, webkit2gtk3-devel-2.46.6-1.el8_6, webkit2gtk3-jsc-2.46.6-1.el8_6 +1
- Red Hat Enterprise Linux AppStream E4S (v.8.6) webkit2gtk3-2.46.6-1.el8_6, webkit2gtk3-devel-2.46.6-1.el8_6, webkit2gtk3-jsc-2.46.6-1.el8_6 +1
- Red Hat Enterprise Linux AppStream TUS (v.8.6) webkit2gtk3-2.46.6-1.el8_6, webkit2gtk3-devel-2.46.6-1.el8_6, webkit2gtk3-jsc-2.46.6-1.el8_6 +1
- RHSA-2025:2034 Released 2025-03-03 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.46.6-1.el8_10, webkit2gtk3-devel-2.46.6-1.el8_10, webkit2gtk3-jsc-2.46.6-1.el8_10 +1
- RHSA-2025:2035 Released 2025-03-03 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.46.6-1.el9_5, webkit2gtk3-devel-2.46.6-1.el9_5, webkit2gtk3-jsc-2.46.6-1.el9_5 +1
- RHSA-2025:1958 Released 2025-03-03 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) webkit2gtk3-2.46.6-1.el8_8, webkit2gtk3-devel-2.46.6-1.el8_8, webkit2gtk3-jsc-2.46.6-1.el8_8 +1
- RHSA-2025:1959 Released 2025-03-03 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) webkit2gtk3-2.46.6-1.el8_4, webkit2gtk3-devel-2.46.6-1.el8_4, webkit2gtk3-jsc-2.46.6-1.el8_4 +1
- Red Hat Enterprise Linux AppStream E4S (v.8.4) webkit2gtk3-2.46.6-1.el8_4, webkit2gtk3-devel-2.46.6-1.el8_4, webkit2gtk3-jsc-2.46.6-1.el8_4 +1
- Red Hat Enterprise Linux AppStream TUS (v.8.4) webkit2gtk3-2.46.6-1.el8_4, webkit2gtk3-devel-2.46.6-1.el8_4, webkit2gtk3-jsc-2.46.6-1.el8_4 +1
- RHSA-2025:1960 Released 2025-03-03 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) webkit2gtk3-2.46.6-1.el8_2, webkit2gtk3-devel-2.46.6-1.el8_2, webkit2gtk3-jsc-2.46.6-1.el8_2 +1
- RHSA-2025:1957 Released 2025-03-03 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) webkit2gtk3-2.46.6-1.el9_0, webkit2gtk3-devel-2.46.6-1.el9_0, webkit2gtk3-jsc-2.46.6-1.el9_0 +1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple iOS and iPadOS 18.2
16 records Highest priority Priority MEDIUM 7 MEDIUM, 9 LOW
Other records, highest priority first
- TI-2024-36605 Incorrect authorization in Apple iOS and iPadOSPriority MEDIUM 48
- TI-2024-36584 Out-of-bounds read in Apple iOS and iPadOSPriority MEDIUM 47
- TI-2024-36616 Missing authorization in Apple SafariPriority MEDIUM 46
- Release ·
Apple watchOS 11.2
13 records Highest priority Priority MEDIUM 6 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2024-36605 Incorrect authorization in Apple iOS and iPadOSPriority MEDIUM 48
- TI-2024-36616 Missing authorization in Apple SafariPriority MEDIUM 46
- TI-2024-36598 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 46
Show 5 more groups
- Release ·
Apple macOS 15.2
12 records Highest priority Priority MEDIUM 6 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2024-36605 Incorrect authorization in Apple iOS and iPadOSPriority MEDIUM 48
- TI-2024-36584 Out-of-bounds read in Apple iOS and iPadOSPriority MEDIUM 47
- TI-2024-36616 Missing authorization in Apple SafariPriority MEDIUM 46
- Release ·
Apple tvOS 18.2
10 records Highest priority Priority MEDIUM 3 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2024-36598 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 46
- TI-2024-36576 Use after free in Apple iOS and iPadOSPriority MEDIUM 41
- TI-2024-36552 Apple iOS and iPadOS: An app may be able to break out of its sandboxPriority LOW 37
- Release ·
Apple visionOS 2.2
6 records Highest priority Priority MEDIUM 3 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2024-36605 Incorrect authorization in Apple iOS and iPadOSPriority MEDIUM 48
- TI-2024-36576 Use after free in Apple iOS and iPadOSPriority MEDIUM 41
- TI-2024-36574 Resource allocation without limits in Apple iOS and iPadOSPriority LOW 31
- Release ·
Apple iPadOS 17.7.6
5 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2025-17847 Use after free in Apple iOS and iPadOSPriority CRITICAL 100
- TI-2025-17929 NULL pointer dereference in Apple iOS and iPadOSPriority LOW 34
- TI-2025-17889 Buffer overflow in Apple iOS and iPadOSPriority LOW 31
- Release ·
Apple Safari 18.2
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2024-36616 Missing authorization in Apple SafariPriority MEDIUM 46
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2025:2034 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2025:2035 |
| Red Hat Enterprise Linux AppStream AUS (v. 8.2) | Fixed | RHSA-2025:1960 |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | Fixed | RHSA-2025:1959 |
| Red Hat Enterprise Linux AppStream AUS (v.8.6) | Fixed | RHSA-2025:2121 |
| Red Hat Enterprise Linux AppStream E4S (v.8.4) | Fixed | RHSA-2025:1959 |
| Red Hat Enterprise Linux AppStream E4S (v.8.6) | Fixed | RHSA-2025:2121 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2025:1957 |
| Red Hat Enterprise Linux AppStream EUS (v.8.8) | Fixed | RHSA-2025:1958 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2025:2126 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2025:2125 |
| Red Hat Enterprise Linux AppStream TUS (v.8.4) | Fixed | RHSA-2025:1959 |
| Red Hat Enterprise Linux AppStream TUS (v.8.6) | Fixed | RHSA-2025:2121 |
| Red Hat Enterprise Linux Server (v. 7 ELS) | Fixed | RHSA-2025:10364 |
| Red Hat Enterprise Linux Server Optional (v. 7 ELS) | Fixed | RHSA-2025:10364 |
Timeline
- 2026-10-02 Threatist record created from CVE-2024-54543
- 2026-10-03 Alias added: GHSA-j23p-p7c9-5hm5
References
More Apple Ipados vulnerabilities
- TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-54543 · CVE Program
- CVE-2024-54543 · NVD
- FIRST EPSS
- GHSA-j23p-p7c9-5hm5 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-54543 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences