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01 Record

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

UnratedPUBLISHEDCNA: facebook
CNA base scoreUnratedNo CNA CVSS vector

02 Description

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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.69% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 76.6% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-06-14 17:02Z7 YR AGO
Last updated
2024-08-05 06:01Z2 YR AGO
Reserved
2018-01-26
Assigning CNA
facebook
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
c4b098ddc4bf3fce6cf3faf565c2808b55a56f085080c25a4384ae66c13eeeeb

05 Affected products

VendorProductVersionsPlatforms
FacebookWhatsApp for Android2.18.276, < 2.18.276—
FacebookWhatsApp Business for Android2.18.99, < 2.18.99—
FacebookWhatsApp for iOS2.18.100.6, < 2.18.100.6—
FacebookWhatsApp Business for iOS2.18.100.2, < 2.18.100.2—
FacebookWhatsApp for Windows Phone2.18.224, < 2.18.224—

06 References