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CVE-2025-66418VulnerabilityPublished Updated

SUSE · Security update for python-urllib3

Affects SUSESource GCVE Database

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Mentioned vulnerabilities

Not known to be exploited.

Data as of 4 Nov 2026, 00:45 UTC

Severity
Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Apr 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.

What to do

AI-suggested

A security update is available that addresses these vulnerabilities. Users should apply the update to python-urllib3 as provided by the SUSE Product Security Team. No additional mitigation steps are specified.

Description

This security update for python-urllib3 addresses multiple resource exhaustion vulnerabilities related to decompression processes. The issues include unbounded decompression chains, excessive resource consumption from highly compressed data in the Streaming API, and during decompression of HTTP redirect responses. Additionally, a non-security issue disables response decompression with brotli due to a missing feature.

References

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