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CVE-2026-9375 Decompression Bomb Bypass via Negative max_length in Streaming API in urllib3

🗓️ 19 Jun 2026 18:45:10Reported by @huntr_aiType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

urllib3 2.6.3 streaming API with Brotli allows decompression bomb via negative maximum length.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-9375
19 Jun 202618:45
attackerkb
CVE
CVE-2026-9375
19 Jun 202618:45
cve
Huntr
Decompression bomb bypass via negative max_length in streaming API (incomplete fix for CVE-2025-66471)
14 Mar 202618:44
huntr
EUVD
EUVD-2026-38064
19 Jun 202618:45
euvd
NVD
CVE-2026-9375
19 Jun 202619:16
nvd
Positive Technologies
PT-2026-51014
19 Jun 202600:00
ptsecurity
[
  {
    "vendor": "urllib3",
    "product": "urllib3/urllib3",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "2.7.0",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]

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