CVE-2023-42956
MEDIUMCVSS 6.5/10EPSS 0.98%
Last modified
CVE-2023-42956 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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. EPSS estimates a 0.98% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 17.2 |
| Apple | Ipados | < 17.2 |
| Apple | Iphone Os | < 17.2 |
| Apple | Macos | >= 14.0, < 14.2 |
References
- https://support.apple.com/en-us/HT214035Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT214036Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT214039Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT214035Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT214036Release Notes, Vendor Advisory
- https://support.apple.com/en-us/HT214039Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-42956?
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.
How severe is CVE-2023-42956?
CVE-2023-42956 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.98% probability of exploitation in the next 30 days.
How do I fix CVE-2023-42956?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-42956?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST