CVE-2017-2491: Use After Free
First published: Mon Mar 27 2017(Updated: )
JavaScriptCore. A use after free issue was addressed through improved memory management.
Credit: Apple product-security@apple.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Apple iOS, iPadOS, and watchOS | <10.3 | 10.3 |
| iStyle @cosme iPhone OS | <=10.2.1 |
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Reference Links
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.
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- source/MITRE
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- vendor/apple
- canonical/apple ios, ipados, and watchos
- canonical/istyle @cosme iphone os
- version/istyle @cosme iphone os/10.2.1