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.
Published 2019-06-14 17:29:02
Updated 2019-10-09 23:41:47
View at NVD,   CVE.org
Vulnerability category: Overflow

Exploit prediction scoring system (EPSS) score for CVE-2018-6339

0.19%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-6339

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.5
HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
NIST
9.8
CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
NIST

CWE ids for CVE-2018-6339

References for CVE-2018-6339

Products affected by CVE-2018-6339

  • Whatsapp » Whatsapp » For Android
    Versions from including (>=) 2.18.180 and before (<) 2.18.295
    cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:*:android:*:*
  • Whatsapp » Whatsapp » Business Edition For Android
    Versions from including (>=) 2.18.103 and before (<) 2.18.150
    cpe:2.3:a:whatsapp:whatsapp:*:*:*:*:business:android:*:*
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