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CVE-2026-61652 Zapros: Streaming decoders ignored the requested chunk size, allowing a single compressed response chunk to allocate unbounded memory (decompression bomb)

🗓️ 21 Sep 2026 21:13:26Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 11 Views

Zapros, a Python HTTP client, prior to version 0.14.0 is vulnerable to denial of service via memory exhaustion. The issue affects all callers who streamed compressed responses relying on the chunk size — explicit (iter_bytes(chunk_size=...)) or th...

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Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-61652
21 Sep 202621:13
cve
euvd
EUVD
EUVD-2026-84175
21 Sep 202621:13
euvd
nvd
NVD
CVE-2026-61652
21 Sep 202622:16
nvd
[
  {
    "vendor": "kap-sh",
    "product": "zapros",
    "versions": [
      {
        "version": "< 0.14.0",
        "status": "affected"
      }
    ]
  }
]

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21 Sep 2026 21:13Current
CVSS 48.7
11