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CVE-2026-84364 Hono: Unbounded dot-notation nesting in `parseBody()` can cause memory exhaustion

🗓️ 01 Sep 2026 20:24:55Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 40 Views

Unbounded dot-notation nesting in Hono parseBody() before 4.13.5 causes heap exhaustion DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-84364 vulnerabilities
12 Sep 202608:54
–cgr
cve
CVE
CVE-2026-84364
1 Sep 202620:24
–cve
euvd
EUVD
EUVD-2026-69611
8 Sep 202621:23
–euvd
github
Github Security Blog
Hono: Unbounded dot-notation nesting in `parseBody()` can cause memory exhaustion
8 Sep 202621:23
–github
nvd
NVD
CVE-2026-84364
1 Sep 202621:18
–nvd
osv
OSV
CGA-269W-4Q29-V9MW
5 Sep 202614:10
–osv
osv
OSV
CGA-32W6-796X-6WV8
9 Sep 202613:29
–osv
osv
OSV
CGA-3M2P-HXFP-XFJM
23 Sep 202615:37
–osv
osv
OSV
CGA-3P78-2X58-W82G
9 Sep 202613:00
–osv
osv
OSV
CGA-46FF-G78Q-JWQQ
9 Sep 202612:00
–osv
Rows per page
[
  {
    "vendor": "honojs",
    "product": "hono",
    "versions": [
      {
        "version": "< 4.13.5",
        "status": "affected"
      }
    ]
  }
]

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01 Sep 2026 20:24Current
CVSS 3.15.3
EPSS0.00529
SSVC
40