CVE-2019-8720

CRITICALNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-05-23), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 2%CVSS: 8.8Exploit: cisa kev · ssvc activeExposed: 0

A fix is available — apply it.

A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. Improved memory handling addresses the multiple memory corruption issues.

CVSS v3
8.8
EG Score
9.0(high)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
2%
EPSS %ILE
73%
KEV
⚠ Exploited

Published

March 6, 2023

Last Modified

November 18, 2025

Advisory Details (3)

Auto-updated Jun 2, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: redhat, 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-2019-8720
generic

WebKitGTK and WPE WebKit Security Advisory WSA-2019-0005 - The WebKitGTK Project

https://webkitgtk.org/security/WSA-2019-0005.html
redhat Patch Available

1876611 – (CVE-2019-8720) CVE-2019-8720 webkitgtk: Multiple memory corruption issues leading to arbitrary code execution

Affected: Red Hat Enterprise Linux 7

https://bugzilla.redhat.com/show_bug.cgi?id=1876611

Vendor Advisories for CVE-2019-8720(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuwebkit2gtk-driver (2.26.1-0ubuntu0.19.04.3) @ disco2026-08-21ubuntu
redhatwebkit2gtk3-0:2.28.4-1.el82020-11-04redhat
redhatwebkitgtk4-0:2.28.2-2.el72020-09-29redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(5 across 5 ecosystems)
Debian:10(1)
PackageVulnerable rangeFixed inDependents
webkit2gtk2.24.2-1 ... 2.26.1-3~bpo9+2 (20 versions)2.26.1-3~deb10u1—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.26.0-1—
Debian:12(1)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.26.0-1—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.26.0-1—
Debian:14(1)
PackageVulnerable rangeFixed inDependents
webkit2gtk—2.26.0-1—

Weakness Classification(1)

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

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 96× in last 7d / 375× 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 1,091 total refreshes for this CVE.

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

Frequently asked(6)

What is CVE-2019-8720?
CVE-2019-8720 is a critical vulnerability published on March 6, 2023. A vulnerability was found in WebKit. The flaw is triggered when processing maliciously crafted web content that may lead to arbitrary code execution. Improved memory handling addresses the multiple memory corruption issues.
When was CVE-2019-8720 disclosed?
CVE-2019-8720 was first published in the National Vulnerability Database on March 6, 2023, with the most recent update on November 18, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2019-8720 actively exploited?
Yes. CISA added CVE-2019-8720 to the Known Exploited Vulnerabilities catalog on May 23, 2022, affecting WebKitGTK WebKitGTK. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2019-8720?
CVE-2019-8720 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2019-8720?
CVE-2019-8720 affects WebKitGTK WebKitGTK. 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-2019-8720?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-8720, 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.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-8720

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