CRITICAL KEV
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
Published May 14, 2019 ·Due May 10, 2022
9.8
CRITICALCVSS 3.1
EPSS 30.08%
Description
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.
Affected products
-
- Version 2.19.44StatusaffectedConstraints-
- Version unspecifiedStatusaffectedConstraints<2.19.134
- Version
-
- Version 2.19.51StatusaffectedConstraints-
- Version unspecifiedStatusaffectedConstraints<2.19.51
- Version
-
- Version 2.19.134StatusaffectedConstraints-
- Version unspecifiedStatusaffectedConstraints<2.19.134
- Version
-
- Version 2.18.15StatusaffectedConstraints-
- Version unspecifiedStatusaffectedConstraints<2.18.15
- Version
-
- Version 2.18.348StatusaffectedConstraints-
- Version unspecifiedStatusaffectedConstraints<2.18.348
- Version
-
- Version 2.19.51StatusaffectedConstraints-
- Version unspecifiedStatusaffectedConstraints<2.19.51
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WhatsApp Business for Android | n/a |
| ||||||||||
| WhatsApp Business for iOS | n/a |
| ||||||||||
| WhatsApp for Android | n/a |
| ||||||||||
| WhatsApp for Tizen | n/a |
| ||||||||||
| WhatsApp for Windows Phone | n/a |
| ||||||||||
| WhatsApp for iOS | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
Listed in CISA KEV KEV
Date Added
Apr 19, 2022
Patch Due
May 10, 2022
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
YesTechnical Impact
TotalDecision
n/aAssessed Feb 7, 2025 · SSVC 2.0.3
30.08% 0.30076
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.30076
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (62 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 30.08% (0.30076) | 98.17th | v5 (v2026.06.15) |
| Sep 14, 2026 | 30.08% (0.30076) | 98.11th | v5 (v2026.06.15) |
| Jun 15, 2026 | 39.17% (0.39166) | 98.41th | v5 (v2026.06.15) |
| May 13, 2026 | 47.37% (0.47368) | 97.72th | v4 (v2025.03.14) |
| May 10, 2026 | 46.15% (0.46151) | 97.66th | v4 (v2025.03.14) |
| Apr 22, 2026 | 47.37% (0.47368) | 97.71th | v4 (v2025.03.14) |
| Mar 19, 2026 | 45.56% (0.45559) | 97.56th | v4 (v2025.03.14) |
| Mar 10, 2026 | 47.37% (0.47368) | 97.64th | v4 (v2025.03.14) |
| Mar 4, 2026 | 45.56% (0.45559) | 97.54th | v4 (v2025.03.14) |
| Mar 1, 2026 | 44.36% (0.44364) | 97.50th | v4 (v2025.03.14) |
| Feb 4, 2026 | 45.98% (0.45977) | 97.53th | v4 (v2025.03.14) |
| Feb 1, 2026 | 44.78% (0.44782) | 97.49th | v4 (v2025.03.14) |
| Jan 4, 2026 | 45.98% (0.45977) | 97.51th | v4 (v2025.03.14) |
| Jan 1, 2026 | 44.78% (0.44782) | 97.47th | v4 (v2025.03.14) |
| Dec 4, 2025 | 45.98% (0.45977) | 97.48th | v4 (v2025.03.14) |
| Dec 1, 2025 | 44.78% (0.44782) | 97.44th | v4 (v2025.03.14) |
| Nov 21, 2025 | 45.98% (0.45977) | 97.48th | v4 (v2025.03.14) |
| Nov 18, 2025 | 15.83% (0.15830) | 94.19th | v4 (v2025.03.14) |
| Nov 4, 2025 | 45.98% (0.45977) | 97.48th | v4 (v2025.03.14) |
| Nov 1, 2025 | 44.78% (0.44782) | 97.44th | v4 (v2025.03.14) |
| Oct 25, 2025 | 45.98% (0.45977) | 97.47th | v4 (v2025.03.14) |
| Oct 4, 2025 | 36.03% (0.36028) | 96.97th | v4 (v2025.03.14) |
| Oct 1, 2025 | 34.38% (0.34385) | 96.87th | v4 (v2025.03.14) |
| Sep 4, 2025 | 36.03% (0.36028) | 96.99th | v4 (v2025.03.14) |
| Sep 1, 2025 | 34.38% (0.34385) | 96.87th | v4 (v2025.03.14) |
| Aug 4, 2025 | 36.03% (0.36028) | 96.95th | v4 (v2025.03.14) |
| Aug 1, 2025 | 34.38% (0.34385) | 96.85th | v4 (v2025.03.14) |
| Jul 16, 2025 | 36.03% (0.36028) | 96.92th | v4 (v2025.03.14) |
| Jul 4, 2025 | 33.31% (0.33311) | 96.71th | v4 (v2025.03.14) |
| Jul 1, 2025 | 31.72% (0.31716) | 96.61th | v4 (v2025.03.14) |
| Jun 5, 2025 | 33.31% (0.33311) | 96.67th | v4 (v2025.03.14) |
| Jun 1, 2025 | 32.26% (0.32262) | 96.62th | v4 (v2025.03.14) |
| May 15, 2025 | 33.87% (0.33868) | 96.71th | v4 (v2025.03.14) |
| May 4, 2025 | 46.21% (0.46209) | 97.47th | v4 (v2025.03.14) |
| May 1, 2025 | 44.49% (0.44491) | 97.39th | v4 (v2025.03.14) |
| Apr 20, 2025 | 46.80% (0.46801) | 97.47th | v4 (v2025.03.14) |
| Apr 11, 2025 | 48.02% (0.48016) | 97.50th | v4 (v2025.03.14) |
| Mar 30, 2025 | 46.80% (0.46801) | 97.42th | v4 (v2025.03.14) |
| Mar 29, 2025 | 76.24% (0.76241) | 98.60th | v4 (v2025.03.14) |
| Mar 28, 2025 | 45.08% (0.45084) | 97.32th | v4 (v2025.03.14) |
| Mar 24, 2025 | 46.80% (0.46801) | 97.41th | v4 (v2025.03.14) |
| Mar 23, 2025 | 45.08% (0.45084) | 97.21th | v4 (v2025.03.14) |
| Mar 17, 2025 | 39.66% (0.39657) | 96.98th | v4 (v2025.03.14) |
| Feb 26, 2025 | 57.31% (0.57313) | 97.90th | v3 (v2023.03.01) |
| Feb 7, 2025 | 49.73% (0.49729) | 97.66th | v3 (v2023.03.01) |
| Jan 27, 2025 | 5.56% (0.05562) | 93.20th | v3 (v2023.03.01) |
| Dec 17, 2024 | 3.76% (0.03759) | 91.70th | v3 (v2023.03.01) |
| Dec 12, 2024 | 2.61% (0.02611) | 90.69th | v3 (v2023.03.01) |
| Jul 3, 2024 | 2.27% (0.02267) | 89.69th | v3 (v2023.03.01) |
| Jun 11, 2024 | 2.81% (0.02813) | 90.66th | v3 (v2023.03.01) |
| May 7, 2024 | 2.57% (0.02572) | 90.16th | v3 (v2023.03.01) |
| Dec 28, 2023 | 2.52% (0.02520) | 89.03th | v3 (v2023.03.01) |
| Jul 8, 2023 | 3.53% (0.03528) | 90.26th | v3 (v2023.03.01) |
| May 8, 2023 | 3.45% (0.03454) | 90.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.47% (0.02466) | 88.34th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.98% (0.01978) | 79.27th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.98% (0.01978) | 77.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 23.85% (0.23850) | 95.09th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.88% (0.05885) | 81.24th | v1 |
| Jan 6, 2022 | 5.88% (0.05885) | 81.05th | v1 |
| Sep 1, 2021 | 1.37% (0.01374) | 70.79th | v1 |
| Apr 14, 2021 | 1.37% (0.01374) | 0.00th | v1 |
Weaknesses (2)
References (3)
- http://www.securityfocus.com/bid/108329 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3568 government-resourceUS Government Resource
- https://www.facebook.com/security/advisories/cve-2019-3568 x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/108329 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3568 | government-resourceUS Government Resource | |
| https://www.facebook.com/security/advisories/cve-2019-3568 | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner facebook
Published May 14, 2019
Updated Oct 21, 2025
Reserved Jan 2, 2019
Link CVE-2019-3568
CISA Vulnrichment
Updated Feb 7, 2025