CVE-2019-3568

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-04-19), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 39%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(high)
EPSS
98.4%
KEV
⚠ Exploited

Published

May 14, 2019

Last Modified

October 24, 2025

Advisory Details (3)

Auto-updated Jun 1, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-3568
generic

Facebook

https://www.facebook.com/security/advisories/cve-2019-3568
generic
http://www.securityfocus.com/bid/108329

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 60× in last 7d / 224× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 384 total refreshes for this CVE.

  1. 2026-07-18 19:34 UTCGHSA enrichment
  2. 2026-07-18 15:32 UTCGHSA enrichment
  3. 2026-07-18 11:30 UTCEG score recompute
  4. 2026-07-18 11:30 UTCGHSA enrichment
  5. 2026-07-18 10:02 UTCEPSS rescore
  6. 2026-07-18 07:28 UTCGHSA enrichment
  7. 2026-07-18 03:26 UTCGHSA enrichment
  8. 2026-07-17 23:24 UTCGHSA enrichment
  9. 2026-07-17 19:22 UTCGHSA enrichment
  10. 2026-07-17 15:20 UTCGHSA enrichment
  11. 2026-07-17 11:18 UTCGHSA enrichment
  12. 2026-07-17 07:16 UTCEG score recompute
  13. 2026-07-17 07:16 UTCGHSA enrichment
  14. 2026-07-17 03:14 UTCGHSA enrichment
  15. 2026-07-16 23:13 UTCGHSA enrichment
  16. 2026-07-16 19:11 UTCGHSA enrichment
  17. 2026-07-16 17:04 UTCCISA KEV update
  18. 2026-07-16 16:59 UTCEPSS rescore
  19. 2026-07-16 16:59 UTCEPSS rescore
  20. 2026-07-16 15:10 UTCGHSA enrichment
  21. 2026-07-16 11:08 UTCGHSA enrichment
  22. 2026-07-16 07:06 UTCGHSA enrichment
  23. 2026-07-16 03:04 UTCGHSA enrichment
  24. 2026-07-15 23:02 UTCGHSA enrichment
  25. 2026-07-15 19:00 UTCGHSA enrichment
Show 75 more
  1. 2026-07-15 16:55 UTCEPSS rescore
  2. 2026-07-15 16:49 UTCCISA KEV update
  3. 2026-07-15 15:04 UTCCISA KEV update
  4. 2026-07-15 14:58 UTCGHSA enrichment
  5. 2026-07-15 10:56 UTCGHSA enrichment
  6. 2026-07-15 06:52 UTCGHSA enrichment
  7. 2026-07-15 02:51 UTCGHSA enrichment
  8. 2026-07-15 01:57 UTCEPSS rescore
  9. 2026-07-14 22:50 UTCGHSA enrichment
  10. 2026-07-14 18:45 UTCGHSA enrichment
  11. 2026-07-14 18:05 UTCCISA KEV update
  12. 2026-07-14 14:42 UTCGHSA enrichment
  13. 2026-07-14 10:39 UTCGHSA enrichment
  14. 2026-07-14 06:35 UTCGHSA enrichment
  15. 2026-07-14 02:33 UTCGHSA enrichment
  16. 2026-07-13 22:32 UTCGHSA enrichment
  17. 2026-07-13 22:27 UTCEPSS rescore
  18. 2026-07-13 22:27 UTCEPSS rescore
  19. 2026-07-13 18:30 UTCGHSA enrichment
  20. 2026-07-13 17:07 UTCCISA KEV update
  21. 2026-07-13 14:29 UTCGHSA enrichment
  22. 2026-07-13 10:26 UTCGHSA enrichment
  23. 2026-07-13 06:24 UTCGHSA enrichment
  24. 2026-07-13 06:10 UTCEPSS rescore
  25. 2026-07-13 06:10 UTCEPSS rescore
  26. 2026-07-13 02:21 UTCGHSA enrichment
  27. 2026-07-12 22:19 UTCGHSA enrichment
  28. 2026-07-12 18:17 UTCGHSA enrichment
  29. 2026-07-12 14:14 UTCGHSA enrichment
  30. 2026-07-12 10:13 UTCGHSA enrichment
  31. 2026-07-12 06:11 UTCGHSA enrichment
  32. 2026-07-12 05:44 UTCEPSS rescore
  33. 2026-07-12 05:43 UTCEPSS rescore
  34. 2026-07-12 02:07 UTCGHSA enrichment
  35. 2026-07-11 22:05 UTCGHSA enrichment
  36. 2026-07-11 18:03 UTCGHSA enrichment
  37. 2026-07-11 14:02 UTCGHSA enrichment
  38. 2026-07-11 09:58 UTCGHSA enrichment
  39. 2026-07-11 08:24 UTCEPSS rescore
  40. 2026-07-11 08:24 UTCEPSS rescore
  41. 2026-07-11 05:56 UTCGHSA enrichment
  42. 2026-07-11 01:54 UTCGHSA enrichment
  43. 2026-07-10 21:51 UTCGHSA enrichment
  44. 2026-07-10 17:52 UTCCISA KEV update
  45. 2026-07-10 17:49 UTCGHSA enrichment
  46. 2026-07-10 13:48 UTCGHSA enrichment
  47. 2026-07-10 09:44 UTCGHSA enrichment
  48. 2026-07-10 05:38 UTCGHSA enrichment
  49. 2026-07-10 01:36 UTCGHSA enrichment
  50. 2026-07-09 21:33 UTCGHSA enrichment
  51. 2026-07-09 19:06 UTCEPSS rescore
  52. 2026-07-09 17:30 UTCGHSA enrichment
  53. 2026-07-09 13:29 UTCGHSA enrichment
  54. 2026-07-09 09:27 UTCGHSA enrichment
  55. 2026-07-09 05:25 UTCGHSA enrichment
  56. 2026-07-09 01:23 UTCGHSA enrichment
  57. 2026-07-08 21:21 UTCGHSA enrichment
  58. 2026-07-08 17:19 UTCGHSA enrichment
  59. 2026-07-08 15:11 UTCEPSS rescore
  60. 2026-07-08 13:17 UTCGHSA enrichment
  61. 2026-07-08 09:14 UTCGHSA enrichment
  62. 2026-07-08 05:12 UTCGHSA enrichment
  63. 2026-07-08 01:11 UTCGHSA enrichment
  64. 2026-07-07 21:09 UTCGHSA enrichment
  65. 2026-07-07 19:01 UTCCISA KEV update
  66. 2026-07-07 17:16 UTCCISA KEV update
  67. 2026-07-07 17:07 UTCGHSA enrichment
  68. 2026-07-07 13:04 UTCGHSA enrichment
  69. 2026-07-07 09:02 UTCGHSA enrichment
  70. 2026-07-07 04:59 UTCGHSA enrichment
  71. 2026-07-07 00:57 UTCGHSA enrichment
  72. 2026-07-06 20:55 UTCGHSA enrichment
  73. 2026-07-06 16:52 UTCGHSA enrichment
  74. 2026-07-06 12:50 UTCGHSA enrichment
  75. 2026-07-06 08:48 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2019-3568?
CVE-2019-3568 is a critical vulnerability published on May 14, 2019. 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…
When was CVE-2019-3568 disclosed?
CVE-2019-3568 was first published in the National Vulnerability Database on May 14, 2019, with the most recent update on October 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-3568 actively exploited?
Yes. CISA added CVE-2019-3568 to the Known Exploited Vulnerabilities catalog on April 19, 2022, affecting Meta Platforms WhatsApp. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2019-3568?
CVE-2019-3568 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2019-3568?
CVE-2019-3568 affects Meta Platforms WhatsApp. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2019-3568?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-3568, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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