CVE-2017-2491: Use After Free
JavaScriptCore. A use after free issue was addressed through improved memory management.
Other sources
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.
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2017-2397
- CVE-2017-2430
- CVE-2017-2462
- CVE-2017-2379
- CVE-2017-2417
- CVE-2017-2444
- CVE-2017-2435
- CVE-2017-2450
- CVE-2017-2461
- CVE-2017-2414
- CVE-2017-2487
- CVE-2017-2406
- CVE-2017-2407
- CVE-2017-2439
- CVE-2017-2434
- CVE-2017-2428
- CVE-2017-2416
- CVE-2017-2432
- CVE-2017-2467
- CVE-2016-3619
- CVE-2017-2412
- CVE-2017-2491
- CVE-2017-2492
- CVE-2017-2398
- CVE-2017-2401
- CVE-2017-2440
- CVE-2017-2456
- CVE-2017-2472
- CVE-2017-2473
- CVE-2017-2474
- CVE-2017-2478
- CVE-2017-2482
- CVE-2017-2483
- CVE-2017-2490
- CVE-2017-2458
- CVE-2017-2448
- CVE-2017-2390
- CVE-2017-2441
- CVE-2017-5029
- CVE-2017-2399
- CVE-2017-2484
- CVE-2017-2380
- CVE-2017-2404
- CVE-2017-2376
- CVE-2017-2384
- CVE-2017-2389
- CVE-2017-2453
- CVE-2017-2393
- CVE-2017-2400
- CVE-2017-6976
- CVE-2017-2423
- CVE-2017-2451
- CVE-2017-2485
- CVE-2017-2452
- CVE-2017-2378
- CVE-2017-2486
- CVE-2017-2386
- CVE-2017-2394
- CVE-2017-2396
- CVE-2016-9642
- CVE-2017-2395
- CVE-2017-2454
- CVE-2017-2455
- CVE-2017-2457
- CVE-2017-2459
- CVE-2017-2460
- CVE-2017-2464
- CVE-2017-2465
- CVE-2017-2466
- CVE-2017-2468
- CVE-2017-2469
- CVE-2017-2470
- CVE-2017-2476
- CVE-2017-2481
- CVE-2017-2415
- CVE-2017-2419
- CVE-2016-9643
- CVE-2017-2424
- CVE-2017-2433
- CVE-2017-2364
- CVE-2017-2367
- CVE-2017-2445
- CVE-2017-2446
- CVE-2017-2447
- CVE-2017-2463
- CVE-2017-2471
- CVE-2017-2475
- CVE-2017-2479
- CVE-2017-2480
- CVE-2017-2493
- CVE-2017-2442
- CVE-2017-2377
- CVE-2017-2405
Frequently Asked Questions
What is the severity of CVE-2017-2491?
CVE-2017-2491 has a high severity rating due to its potential to allow remote code execution.
How do I fix CVE-2017-2491?
To fix CVE-2017-2491, update your Safari browser by upgrading to iOS version 10.3 or later.
What types of devices are affected by CVE-2017-2491?
CVE-2017-2491 affects Apple iOS devices, specifically those running versions prior to 10.3.
What does CVE-2017-2491 exploit?
CVE-2017-2491 exploits a use after free vulnerability in the String.replace method of JavaScriptCore.
Can CVE-2017-2491 be exploited through a web page?
Yes, CVE-2017-2491 can be exploited by remote attackers via crafted web pages.