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CVE-2026-49855 tornado AsyncHTTPClient accumulates decompressed chunks without size limit (gzip bomb)

🗓️ 14 Jul 2026 20:45:02Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

CVE-2026-49855 Tornado gzip decompression could accumulate unlimited memory before the fix in version 6.5.6.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-49855
14 Jul 202620:45
attackerkb
cgr
Chainguard
CVE-2026-49855 vulnerabilities
25 Jun 202620:37
cgr
circl
Circl
CVE-2026-49855
27 Jul 202603:57
circl
cve
CVE
CVE-2026-49855
14 Jul 202620:45
cve
debiancve
Debian CVE
CVE-2026-49855
14 Jul 202620:45
debiancve
euvd
EUVD
EUVD-2026-44505
14 Jul 202620:45
euvd
github
Github Security Blog
tornado AsyncHTTPClient accumulates decompressed chunks without size limit (gzip bomb)
15 Jun 202620:19
github
nvd
NVD
CVE-2026-49855
14 Jul 202621:17
nvd
nessus
Tenable Nessus
openSUSE 16 Security Update : python-tornado6 (openSUSE-SU-2026:21067-1)
1 Jul 202600:00
nessus
nessus
Tenable Nessus
Python Library Tornado < 6.5.6 Multiple Vulnerabilities
19 Jun 202600:00
nessus
Rows per page
[
  {
    "vendor": "tornadoweb",
    "product": "tornado",
    "versions": [
      {
        "version": "< 6.5.6",
        "status": "affected"
      }
    ]
  }
]

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