CVE-2017-2491
UnknownEPSS 8.04%
Last modified
CVE-2017-2491 is a vulnerability of currently unknown severity. Use after free vulnerability in the String.replace method JavaScriptCore in Apple Safari in iOS before 10.3 allows remote attackers to execute arbitrary code via a crafted web page, or a crafted file.. EPSS estimates a 8.04% chance of exploitation in the next 30 days.
Description
Use after free vulnerability in the String.replace method JavaScriptCore in Apple Safari in iOS before 10.3 allows remote attackers to execute arbitrary code via a crafted web page, or a crafted file.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apple | Iphone Os | <= 10.2.1 |
References
- http://www.securityfocus.com/bid/98316Third Party Advisory, VDB Entry
- http://www.zerodayinitiative.com/advisories/ZDI-17-321Third Party Advisory, VDB Entry
- https://support.apple.com/en-us/HT207617Vendor Advisory
- http://www.securityfocus.com/bid/98316Third Party Advisory, VDB Entry
- http://www.zerodayinitiative.com/advisories/ZDI-17-321Third Party Advisory, VDB Entry
- https://support.apple.com/en-us/HT207617Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2017-2491?
Use after free vulnerability in the String.replace method JavaScriptCore in Apple Safari in iOS before 10.3 allows remote attackers to execute arbitrary code via a crafted web page, or a crafted file.
How severe is CVE-2017-2491?
Severity scoring for CVE-2017-2491 is pending analysis. The EPSS model estimates a 8.04% probability of exploitation in the next 30 days.
How do I fix CVE-2017-2491?
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.
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Are you affected by CVE-2017-2491?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST