CVE-2026-28984

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreMEDIUM confidence

Score 4.3 from GitHub Security Advisory published 2026-08-18. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — Patch released this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 4.3Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.

CVSS v3
4.3
EG Score
4.3MEDIUMmedium confidence
EG Risk
19
EG Risk 19/100CISA SSVC

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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.2%
EPSS %ILE
10th
KEV
Not listed

CISA SSVCTrack at every mission impact level.

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 17, 2026

Last Modified

August 25, 2026

Advisory Details (1)

Auto-updated Aug 18, 2026
Patch available.
generic

About the security content of iOS 18.7.10 and iPadOS 18.7.10 - Apple Support

https://support.apple.com/en-us/148287

Vendor Advisories for CVE-2026-28984(12)

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

Patch Availability(12)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntuwebkitgtk-webdriver (2.52.6-0ubuntu0.26.04.1) @ resolute2026-10-04ubuntu
redhatwebkit2gtk3-0:2.54.0-1.el8_102026-09-30redhat
redhatwebkit2gtk3-0:2.54.0-1.el9_82026-09-21redhat
redhatwebkit2gtk3-0:2.52.4-1.el9_62026-06-25redhat
redhatwebkit2gtk3-0:2.52.4-1.el9_22026-06-23redhat
redhatwebkit2gtk3-0:2.52.4-1.el9_42026-06-23redhat
redhatwebkit2gtk3-0:2.52.4-1.el8_62026-06-23redhat
redhatwebkitgtk4-0:2.52.4-1.el7_92026-06-22redhat
redhatwebkit2gtk3-0:2.52.4-1.el8_82026-06-22redhat
redhatwebkit2gtk3-0:2.52.4-1.el8_42026-06-22redhat
redhatwebkit2gtk3-0:2.52.4-1.el9_82026-06-15redhat
redhatwebkit2gtk3-0:2.52.4-1.el8_102026-06-15redhat

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

(6 across 3 ecosystems)
Debian:12(2)
PackageVulnerable rangeFix by version rangeDependents
webkit2gtk2.40.1-1 ... 2.54.0-1~exp1 (167 versions)
  • every version on: no fix on record
—
wpewebkit2.38.6-1 ... 2.54.0-2 (56 versions)
  • every version on: no fix on record
—
Debian:13(2)
PackageVulnerable rangeFix by version rangeDependents
webkit2gtk2.48.3-1 ... 2.52.4-1 (48 versions)
  • every version up to 2.52.5-1~deb13u1: fixed in 2.52.5-1~deb13u1
—
wpewebkit2.48.3-1 ... 2.54.0-2 (22 versions)
  • every version on: no fix on record
—
Debian:14(2)
PackageVulnerable rangeFix by version rangeDependents
webkit2gtk2.48.3-1 ... 2.52.3-2~deb13u1 (47 versions)
  • every version up to 2.52.4-1: fixed in 2.52.4-1
—
wpewebkit2.48.3-1 ... 2.52.3-1 (17 versions)
  • every version up to 2.52.4-1: fixed in 2.52.4-1
—

Weakness Classification(2)

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 22× in last 7d / 99× 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 178 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-28984?
CVE-2026-28984 is a medium vulnerability published on August 17, 2026. The issue was addressed with improved memory handling. This issue is fixed in Safari 26.5, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, visionOS 26.5, watchOS 26.5. Processing maliciously crafted web content may lead to an unexpected Safari crash.
When was CVE-2026-28984 disclosed?
CVE-2026-28984 was first published on August 17, 2026, with the most recent update on August 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-28984 actively exploited?
CVE-2026-28984 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (10th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-28984?
CVE-2026-28984 has a CVSS v3.1 base score of 4.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-28984?
A fix for CVE-2026-28984 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-28984 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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