CVE-2017-5438: Use After Free
A use-after-free vulnerability during XSLT processing due to the result handler being held by a freed handler during handling. This results in a potentially exploitable crash.
Affected Software
Remediation
Patch Available
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2017-5433
- CVE-2017-5435
- CVE-2017-5436
- CVE-2017-5461
- CVE-2017-5459
- CVE-2017-5466
- CVE-2017-5434
- CVE-2017-5432
- CVE-2017-5460
- CVE-2017-5438
- CVE-2017-5439
- CVE-2017-5440
- CVE-2017-5441
- CVE-2017-5442
- CVE-2017-5464
- CVE-2017-5443
- CVE-2017-5444
- CVE-2017-5446
- CVE-2017-5447
- CVE-2017-5465
- CVE-2016-10196
- CVE-2017-5454
- CVE-2017-5469
- CVE-2017-5445
- CVE-2017-5449
- CVE-2017-5451
- CVE-2017-5462
- CVE-2017-5467
- CVE-2017-5430
- CVE-2017-5429
- CVE-2017-5448
- CVE-2017-5455
- CVE-2017-5456
- CVE-2017-5450
- CVE-2017-5463
- CVE-2017-5452
- CVE-2017-5453
- CVE-2017-5458
- CVE-2017-5468
Frequently Asked Questions
What is the severity of CVE-2017-5438?
CVE-2017-5438 is considered a high severity vulnerability due to its potential to cause exploitable crashes.
How do I fix CVE-2017-5438?
To fix CVE-2017-5438, update affected software to the latest versions provided by the vendor, including Firefox and Thunderbird.
Which versions are affected by CVE-2017-5438?
CVE-2017-5438 affects Mozilla Firefox versions prior to 53.0 and Thunderbird prior to 52.1.
What happens if I do not address CVE-2017-5438?
Failure to address CVE-2017-5438 may leave your system vulnerable to crashes or potential exploitation by malicious actors.
Is CVE-2017-5438 related to a specific software process?
CVE-2017-5438 is specifically related to a use-after-free vulnerability during XSLT processing in Mozilla's software.