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CVE-2026-73493 http4s-blaze-server: Unbounded WebSocket message aggregation

🗓️ 12 Aug 2026 21:08:34Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 12 Views

http4s-blaze-server unbounded WebSocket message aggregation causes OutOfMemoryError denial of service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-73493
12 Aug 202621:08
attackerkb
circl
Circl
CVE-2026-73493
12 Aug 202623:01
circl
cve
CVE
CVE-2026-73493
12 Aug 202621:08
cve
euvd
EUVD
EUVD-2026-57631
12 Aug 202621:08
euvd
github
Github Security Blog
blaze: Unbounded WebSocket message aggregation in http4s-blaze-server
24 Jul 202622:28
github
nvd
NVD
CVE-2026-73493
12 Aug 202622:17
nvd
osv
OSV
GHSA-7PPR-R889-MCF2 blaze: Unbounded WebSocket message aggregation in http4s-blaze-server
24 Jul 202622:28
osv
snyk
Snyk
Allocation of Resources Without Limits or Throttling
24 Jul 202622:28
snyk
snyk
Snyk
Allocation of Resources Without Limits or Throttling
24 Jul 202622:28
snyk
snyk
Snyk
Allocation of Resources Without Limits or Throttling
24 Jul 202622:28
snyk
Rows per page
[
  {
    "vendor": "http4s",
    "product": "blaze",
    "versions": [
      {
        "version": "< 0.23.18",
        "status": "affected"
      },
      {
        "version": ">= 1.0.0-M1, < 1.0.0-M42",
        "status": "affected"
      }
    ]
  }
]

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