High severity7.4NVD Advisory· Published Oct 7, 2019· Updated Jun 17, 2026
CVE-2019-16263
CVE-2019-16263
Description
The Twitter Kit framework through 3.4.2 for iOS does not properly validate the api.twitter.com SSL certificate. Although the certificate chain must contain one of a set of pinned certificates, there are certain implementation errors such as a lack of hostname verification. NOTE: this is an end-of-life product.
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Affected products
3- Twitter/Twitter Kit frameworkdescription
Patches
Vulnerability mechanics
References
3- www.sit.fraunhofer.de/fileadmin/dokumente/CVE/Advisory_TwitterKit_for_iOS_CVE-2019-16263.pdfnvdExploitThird Party Advisory
- blog.appicaptor.com/2019/10/04/vulnerable-library-warning-twitterkit-for-ios/nvdThird Party Advisory
- github.com/twitter-archive/twitter-kit-ios/blob/ac42e1351a66afa5ff7718d04d64a905dafe1f41/TwitterCore/TwitterCore/Networking/Security/TWTRServerTrustEvaluator.mnvdThird Party Advisory
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