Security readout for executives and security teams
CVE-2018-6344 is a WhatsApp calling vulnerability where a malformed RTP packet after a call is established can corrupt heap memory and crash the app. The published impact is denial of service, not data theft or account takeover. Exposure is mainly legacy or unmanaged mobile devices running WhatsApp versions older than the listed fixed releases. Current app-store-managed devices are less likely exposed, but abandoned Windows Phone devices and stale enterprise mobile images should be checked. Prioritize remediation where the organization still has legacy mobile devices or unmanaged BYOD risk. This is a high-severity availability issue, but the provided sources do not indicate active exploitation or confidentiality impact. Mitigation focus: Update WhatsApp for Android to 2.18.293 or later.; Update WhatsApp for iOS to 2.18.93 or later.; Update WhatsApp for Windows Phone to 2.18.172 or later..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://googleprojectzero.blogspot.com/2018/12/adventures-in-video-conferencing-part-3.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.