Answer in brief
CVE-2019-3568 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Facebook/WhatsApp Business for Android (generic), Facebook/WhatsApp Business for iOS (generic), Facebook/WhatsApp for Android (generic), Facebook/WhatsApp for iOS (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Facebook/WhatsApp Business for Android (generic), Facebook/WhatsApp Business for iOS (generic), Facebook/WhatsApp for Android (generic), Facebook/WhatsApp for iOS (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Facebook/WhatsApp Business for Androidgeneric | 2.19.44 || >=unspecified <2.19.134 | 2.19.134 |
| Facebook/WhatsApp Business for iOSgeneric | 2.19.51 || >=unspecified <2.19.51 | 2.19.51 |
| Facebook/WhatsApp for Androidgeneric | 2.19.134 || >=unspecified <2.19.134 | 2.19.134 |
| Facebook/WhatsApp for iOSgeneric | 2.19.51 || >=unspecified <2.19.51 | 2.19.51 |
| Facebook/WhatsApp for Tizengeneric | 2.18.15 || >=unspecified <2.18.15 | 2.18.15 |
| Facebook/WhatsApp for Windows Phonegeneric | 2.18.348 || >=unspecified <2.18.348 | 2.18.348 |
Published upstream
May 14, 2019
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Apr 19, 2022
Evidence: source:kev:kev:kev:recordA 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.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2019-3568 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps Facebook/WhatsApp Business for Android (generic), Facebook/WhatsApp Business for iOS (generic), Facebook/WhatsApp for Android (generic), Facebook/WhatsApp for iOS (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Facebook/WhatsApp Business for Android (generic), Facebook/WhatsApp Business for iOS (generic), Facebook/WhatsApp for Android (generic), Facebook/WhatsApp for iOS (generic) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Facebook/WhatsApp Business for Androidgeneric | 2.19.44 || >=unspecified <2.19.134 | 2.19.134 |
| Facebook/WhatsApp Business for iOSgeneric | 2.19.51 || >=unspecified <2.19.51 | 2.19.51 |
| Facebook/WhatsApp for Androidgeneric | 2.19.134 || >=unspecified <2.19.134 | 2.19.134 |
| Facebook/WhatsApp for iOSgeneric | 2.19.51 || >=unspecified <2.19.51 | 2.19.51 |
| Facebook/WhatsApp for Tizengeneric | 2.18.15 || >=unspecified <2.18.15 | 2.18.15 |
| Facebook/WhatsApp for Windows Phonegeneric | 2.18.348 || >=unspecified <2.18.348 | 2.18.348 |
Published upstream
May 14, 2019
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 21, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Apr 19, 2022
Evidence: source:kev:kev:kev:recordA 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.
Quoted source text, attributed separately from HOL analysis.