CVE-2017-2491 EXPLOIT
8.8
HIGH · CVSS 3.0 · EPSS 8% (pctl 95)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 8.8 (HIGH, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| EPSS | 8.04% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-416 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2017-06-27 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| apple | iphone os |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Apple Safari 10.0.3 - 'JSC::CachedCall' Use-After-Free | 2017-05-04 |
References
- http://www.securityfocus.com/bid/98316
- http://www.zerodayinitiative.com/advisories/ZDI-17-321
- https://support.apple.com/en-us/HT207617
- https://www.exploit-db.com/exploits/41964/
- http://www.securityfocus.com/bid/98316
- http://www.zerodayinitiative.com/advisories/ZDI-17-321
- https://support.apple.com/en-us/HT207617
- https://www.exploit-db.com/exploits/41964/
→ the Explorer · watch your stack · NVD