CVE-2017-2439: Input Validation
FontParser. An out-of-bounds read was addressed through improved input validation.
Other sources
An issue was discovered in certain Apple products. iOS before 10.3 is affected. macOS before 10.12.4 is affected. tvOS before 10.2 is affected. watchOS before 3.2 is affected. The issue involves the "FontParser" component. It allows remote attackers to obtain sensitive information or cause a denial of service (out-of-bounds read and application crash) via a crafted font file.
Credit
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Apple iOS and iPadOSto a version that resolves this vulnerability.Fixed in 10.3
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-2017-2439?
CVE-2017-2439 has a moderate severity rating due to its potential for an out-of-bounds read affecting several Apple products.
How do I fix CVE-2017-2439?
To fix CVE-2017-2439, users should update their affected Apple devices to the latest software versions like iOS 10.3, macOS 10.12.4, tvOS 10.2, or watchOS 3.2.
What devices are affected by CVE-2017-2439?
CVE-2017-2439 affects iOS versions prior to 10.3, macOS versions prior to 10.12.4, tvOS versions prior to 10.2, and watchOS versions prior to 3.2.
What type of vulnerability is CVE-2017-2439?
CVE-2017-2439 is classified as an out-of-bounds read vulnerability, which could lead to potential information disclosure.
Is CVE-2017-2439 easily exploitable?
While CVE-2017-2439 has a moderate impact, its actual exploitability may depend on specific conditions and user interactions.