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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, 00:29 UTC

Severity
Medium

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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 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 by the SUSE Product Security Team to address these vulnerabilities. Users should apply the update to mitigate the risk of resource exhaustion attacks. No additional mitigation steps are indicated.

Description

This security update for python-urllib3 addresses two vulnerabilities related to resource exhaustion caused by decompression of specially crafted data. CVE-2025-66471 involves excessive resource consumption via decompression of highly compressed data in the Streaming API. CVE-2025-66418 involves resource exhaustion due to an unbounded number of links in the decompression chain. Both issues can lead to denial of service conditions.

References

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