Known Vulnerabilities
CVE-2021-24042
The calling logic for WhatsApp for Android prior to v2.21.23, WhatsApp Business for Android prior to v2.21.23, WhatsApp for iOS prior to v2.21.230, WhatsApp Business for iOS prior to v2.21.230, WhatsApp for KaiOS prior to v2.2143, WhatsApp Desktop prior to v2.2146 could have allowed an out-of-bounds write if a user makes a 1:1 call to a malicious actor.
CVE-2021-24041
A missing bounds check in image blurring code prior to WhatsApp for Android v2.21.22.7 and WhatsApp Business for Android v2.21.22.7 could have allowed an out-of-bounds write if a user sent a malicious image.
CVE-2021-24035
A lack of filename validation when unzipping archives prior to WhatsApp for Android v2.21.8.13 and WhatsApp Business for Android v2.21.8.13 could have allowed path traversal attacks that overwrite WhatsApp files.
CVE-2021-24026
A missing bounds check within the audio decoding pipeline for WhatsApp calls in WhatsApp for Android prior to v2.21.3, WhatsApp Business for Android prior to v2.21.3, WhatsApp for iOS prior to v2.21.32, and WhatsApp Business for iOS prior to v2.21.32 could have allowed an out-of-bounds write.
CVE-2021-24027
A cache configuration issue prior to WhatsApp for Android v2.21.4.18 and WhatsApp Business for Android v2.21.4.18 may have allowed a third party with access to the device’s external storage to read cached TLS material.
CVE-2020-1907
A stack overflow in WhatsApp for Android prior to v2.20.196.16, WhatsApp Business for Android prior to v2.20.196.12, WhatsApp for iOS prior to v2.20.90, WhatsApp Business for iOS prior to v2.20.90, and WhatsApp for Portal prior to v173.0.0.29.505 could have allowed arbitrary code execution when parsing the contents of an RTP Extension header.
CVE-2020-1906
A buffer overflow in WhatsApp for Android prior to v2.20.130 and WhatsApp Business for Android prior to v2.20.46 could have allowed an out-of-bounds write when processing malformed local videos with E-AC-3 audio streams.
CVE-2020-1905
Media ContentProvider URIs used for opening attachments in other apps were generated sequentially prior to WhatsApp for Android v2.20.185, which could have allowed a malicious third party app chosen to open the file to guess the URIs for previously opened attachments until the opener app is terminated.
CVE-2020-1902
A user running a quick search on a highly forwarded message on WhatsApp for Android from v2.20.108 to v2.20.140 or WhatsApp Business for Android from v2.20.35 to v2.20.49 could have been sent to the Google service over plain HTTP.
CVE-2020-1886
A buffer overflow in WhatsApp for Android prior to v2.20.11 and WhatsApp Business for Android prior to v2.20.2 could have allowed an out-of-bounds write via a specially crafted video stream after receiving and answering a malicious video call.
CVE-2020-1890
A URL validation issue in WhatsApp for Android prior to v2.20.11 and WhatsApp Business for Android prior to v2.20.2 could have caused the recipient of a sticker message containing deliberately malformed data to load an image from a sender-controlled URL without user interaction.
CVE-2019-11931
A stack-based buffer overflow could be triggered in WhatsApp by sending a specially crafted MP4 file to a WhatsApp user. The issue was present in parsing the elementary stream metadata of an MP4 file and could result in a DoS or RCE. This affects Android versions prior to 2.19.274, iOS versions prior to 2.19.100, Enterprise Client versions prior to 2.25.3, Business for Android versions prior to 2.19.104 and Business for iOS versions prior to 2.19.100.
CVE-2019-11933
A heap buffer overflow bug in libpl_droidsonroids_gif before 1.2.19, as used in WhatsApp for Android before version 2.19.291 could allow remote attackers to execute arbitrary code or cause a denial of service.
CVE-2018-6350
An out-of-bounds read was possible in WhatsApp due to incorrect parsing of RTP extension headers. This issue affects WhatsApp for Android prior to 2.18.276, WhatsApp Business for Android prior to 2.18.99, WhatsApp for iOS prior to 2.18.100.6, WhatsApp Business for iOS prior to 2.18.100.2, and WhatsApp for Windows Phone prior to 2.18.224.
CVE-2018-6339
When receiving calls using WhatsApp on Android, a stack allocation failed to properly account for the amount of data being passed in. An off-by-one error meant that data was written beyond the allocated space on the stack. This issue affects WhatsApp for Android starting in version 2.18.180 and was fixed in version 2.18.295. It also affects WhatsApp Business for Android starting in version v2.18.103 and was fixed in version v2.18.150.
CVE-2018-6349
When receiving calls using WhatsApp for Android, a missing size check when parsing a sender-provided packet allowed for a stack-based overflow. This issue affects WhatsApp for Android prior to 2.18.248 and WhatsApp Business for Android prior to 2.18.132.
CVE-2019-3568
A buffer overflow vulnerability in WhatsApp VOIP stack allowed remote code execution via specially crafted series of RTCP packets sent to a target phone number. The issue affects WhatsApp for Android prior to v2.19.134, WhatsApp Business for Android prior to v2.19.44, WhatsApp for iOS prior to v2.19.51, WhatsApp Business for iOS prior to v2.19.51, WhatsApp for Windows Phone prior to v2.18.348, and WhatsApp for Tizen prior to v2.18.15.
CVE-2018-6344
A heap corruption in WhatsApp can be caused by a malformed RTP packet being sent after a call is established. The vulnerability can be used to cause denial of service. It affects WhatsApp for Android prior to v2.18.293, WhatsApp for iOS prior to v2.18.93, and WhatsApp for Windows Phone prior to v2.18.172.