SUSE · Security update for python-urllib3_1
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited.
Data as of 4 Nov 2026, 00:28 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 26 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/suse-su-2026_20591-1.json (opens in a new tab)
- suse.com/support/update/announcement/2026/suse-su-202620591-1/ (opens in a new tab)
- lists.suse.com/pipermail/sle-security-updates/2026-March/024616.html (opens in a new tab)
- bugzilla.suse.com/1254866 (opens in a new tab)
- bugzilla.suse.com/1254867 (opens in a new tab)
- bugzilla.suse.com/1256331 (opens in a new tab)
- suse.com/security/cve/CVE-2025-66418/ (opens in a new tab)
- suse.com/security/cve/CVE-2025-66471/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-21441/ (opens in a new tab)