Security update for python-urllib3
This update for python-urllib3_1 fixes the following issues: - CVE-2025-66471: excessive resource consumption via decompression of highly compressed data in Streaming API (bsc#1254867). - CVE-2025-66418: resource exhaustion via unbounded number of links in the decompression chain (bsc#1254866). - CVE-2026-21441: excessive resource consumption during decompression of data in HTTP redirect responses (bsc#1256331).
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
This update for python-urllib3_1 fixes the following issues: - CVE-2025-66471: excessive resource consumption via decompression of highly compressed data in Streaming API (bsc#1254867). - CVE-2025-66418: resource exhaustion via unbounded number of links in the decompression chain (bsc#1254866). - CVE-2026-21441: excessive resource consumption during decompression of data in HTTP redirect responses (bsc#1256331).
05 / REFERENCES
Further evidence
- https://bugzilla.suse.com/1254866
- https://bugzilla.suse.com/1254867
- https://bugzilla.suse.com/1256331
- https://www.suse.com/security/cve/CVE-2025-66418
- https://www.suse.com/security/cve/CVE-2025-66471
- https://www.suse.com/security/cve/CVE-2026-21441
- https://www.suse.com/support/update/announcement/2026/suse-su-20260443-1/