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Python CVE-2026-48586

| EUVDEUVD-2026-49150 HIGH
Improper Handling of Highly Compressed Data (Data Amplification) (CWE-409)
8.7
CVSS 4.0 · Vendor
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Severity by source

Vendor (CNA) PRIMARY
8.7 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
SUSE
HIGH
qualitative
Red Hat
7.5 HIGH
qualitative

Primary rating from Vendor (CNA).

CVSS VectorVendor

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Patch available
Jul 27, 2026 - 12:16 EUVD
Analysis Generated
Jul 26, 2026 - 12:08 vuln.today
CVE Published
Jul 24, 2026 - 22:36 oss-security
CRITICAL

Description PRE-NVD

Disclosed via oss-security. NVD scoring and full description are pending.

AnalysisAI

Data amplification vulnerability in Apache Thrift's TZlibTransport allows remote attackers to exhaust server resources by sending highly compressed data that decompresses to disproportionate sizes. Affecting all language bindings before version 0.24.0, the flaw enables denial of service via ZIP-bomb-style attacks. Upgrading to Thrift 0.24.0 provides a fix.

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Vendor StatusVendor

SUSE

Severity: Important
Product Status
openSUSE Tumbleweed Fixed

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CVE-2026-48586 vulnerability details – vuln.today

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