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CVE-2025-66418VulnerabilityPublished Updated

SUSE · Security update for python-urllib3_1

Affects SUSESource GCVE Database

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Mentioned vulnerabilities

Not known to be exploited.

Data as of 4 Nov 2026, 00:28 UTC

Severity
Medium

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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Feb 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 has been released to fix these vulnerabilities. Users of python-urllib3_1 should apply the update provided by the SUSE Product Security Team to remediate these issues. No additional mitigation steps are indicated.

Description

This security update addresses multiple vulnerabilities in python-urllib3_1 related to excessive resource consumption and resource exhaustion during data decompression. The issues include excessive resource consumption via decompression of highly compressed data in the Streaming API, resource exhaustion caused by an unbounded number of links in the decompression chain, and excessive resource consumption during decompression of data in HTTP redirect responses.

References

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