Apple Safari: Processing web content may lead to a denial-of-service
Priority LOW 31Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 3 fixed, 3 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00981 62nd percentileScored 2026-11-07
Fix Partial Safari (Apple): 17.2iOS and iPadOS (Apple): 17.2+1 more productRed Hat: 2 advisoriesRed Hat: 3 fixed, 3 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 17.2 | 17.2 | Patch available | CNA |
| Apple | iOS and iPadOS | before 17.2 | 17.2 | Patch available | CNA |
| Apple | macOS | before 14.2 | 14.2 | Patch available | CNA |
- Safari VendorApple Affected before 17.2 Fixed in 17.2 Patch available CNA
- iOS and iPadOS VendorApple Affected before 17.2 Fixed in 17.2 Patch available CNA
- macOS VendorApple Affected before 14.2 Fixed in 14.2 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | before 17.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 17.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 17.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | 14.0 to before 14.2 | Vulnerable | Apple |
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 17.2 Vulnerable ·Apple
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 17.2 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 17.2 Vulnerable ·Apple
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 14.0 to before 14.2 Vulnerable ·Apple
Remediation
- Fix · CNA Safari (Apple) Fixed in 17.2
- Fix · CNA iOS and iPadOS (Apple) Fixed in 17.2
- Fix · CNA macOS (Apple) Fixed in 14.2
Red Hat 2 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-2024:9144 Released 2024-11-12 · Red Hat rating Importantwebkit2gtk3 security update
- Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.44.3-2.el9, webkit2gtk3-devel-2.44.3-2.el9, webkit2gtk3-jsc-2.44.3-2.el9 +1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 14.2
12 records Highest priority Priority HIGH 1 HIGH, 2 MEDIUM, 9 LOW
Other records, highest priority first
- TI-2023-23008 Apple macOS: A process may gain admin privileges without proper authenticationPriority HIGH 71
- TI-2023-23026 Use after free in Apple SafariPriority MEDIUM 42
- TI-2023-22993 Insecure storage of sensitive information in Apple macOSPriority MEDIUM 41
- Release ·
Apple iOS and iPadOS 17.2
8 records Highest priority Priority MEDIUM 1 MEDIUM, 7 LOW
Other records, highest priority first
- TI-2023-23026 Use after free in Apple SafariPriority MEDIUM 42
- TI-2023-23023 Path traversal in Apple iOS and iPadOSPriority LOW 39
- TI-2023-23037 This issue was addressed with improved checks This issue is fixed in iOS 17.2 and iPadOS…Priority LOW 34
Show 1 more group
- Release ·
Apple Safari 17.2
2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2023-23026 Use after free in Apple SafariPriority MEDIUM 42
Vendor assessments
Red Hat
Red Hat rating: Moderate. 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: Out of support scope |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:9144 |
| 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-2023-42956
- 2026-10-03 Alias added: GHSA-jprr-pf4r-gvp5
References
Advisory 3
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-2023-42956 · CVE Program
- CVE-2023-42956 · NVD
- FIRST EPSS
- GHSA-jprr-pf4r-gvp5 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-42956 · 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