vulnerability
Oracle Linux: CVE-2025-66418: ELSA-2026-1086: python-urllib3 security update (IMPORTANT) (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Dec 5, 2025 | Jan 27, 2026 | Jan 29, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Dec 5, 2025
Added
Jan 27, 2026
Modified
Jan 29, 2026
Description
urllib3 is a user-friendly HTTP client library for Python. Starting in version 1.24 and prior to 2.6.0, the number of links in the decompression chain was unbounded allowing a malicious server to insert a virtually unlimited number of compression steps leading to high CPU usage and massive memory allocation for the decompressed data. This vulnerability is fixed in 2.6.0.
Solutions
oracle-linux-upgrade-fence-agents-aliyunoracle-linux-upgrade-fence-agents-alloracle-linux-upgrade-fence-agents-amt-wsoracle-linux-upgrade-fence-agents-apcoracle-linux-upgrade-fence-agents-apc-snmporacle-linux-upgrade-fence-agents-awsoracle-linux-upgrade-fence-agents-azure-armoracle-linux-upgrade-fence-agents-bladecenteroracle-linux-upgrade-fence-agents-brocadeoracle-linux-upgrade-fence-agents-cisco-mdsoracle-linux-upgrade-fence-agents-cisco-ucsoracle-linux-upgrade-fence-agents-commonoracle-linux-upgrade-fence-agents-computeoracle-linux-upgrade-fence-agents-drac5oracle-linux-upgrade-fence-agents-eaton-snmporacle-linux-upgrade-fence-agents-emersonoracle-linux-upgrade-fence-agents-epsoracle-linux-upgrade-fence-agents-gceoracle-linux-upgrade-fence-agents-heuristics-pingoracle-linux-upgrade-fence-agents-hpbladeoracle-linux-upgrade-fence-agents-ibmbladeoracle-linux-upgrade-fence-agents-ibm-powervsoracle-linux-upgrade-fence-agents-ibm-vpcoracle-linux-upgrade-fence-agents-ifmiboracle-linux-upgrade-fence-agents-ilo2oracle-linux-upgrade-fence-agents-ilo-moonshotoracle-linux-upgrade-fence-agents-ilo-mporacle-linux-upgrade-fence-agents-ilo-sshoracle-linux-upgrade-fence-agents-intelmodularoracle-linux-upgrade-fence-agents-ipduoracle-linux-upgrade-fence-agents-ipmilanoracle-linux-upgrade-fence-agents-kdumporacle-linux-upgrade-fence-agents-kubevirtoracle-linux-upgrade-fence-agents-lparoracle-linux-upgrade-fence-agents-mpathoracle-linux-upgrade-fence-agents-nutanix-ahvoracle-linux-upgrade-fence-agents-openstackoracle-linux-upgrade-fence-agents-redfishoracle-linux-upgrade-fence-agents-rhevmoracle-linux-upgrade-fence-agents-rsaoracle-linux-upgrade-fence-agents-rsboracle-linux-upgrade-fence-agents-sbdoracle-linux-upgrade-fence-agents-scsioracle-linux-upgrade-fence-agents-virshoracle-linux-upgrade-fence-agents-vmware-restoracle-linux-upgrade-fence-agents-vmware-soaporacle-linux-upgrade-fence-agents-wtioracle-linux-upgrade-fence-virtoracle-linux-upgrade-fence-virtdoracle-linux-upgrade-fence-virtd-cpgoracle-linux-upgrade-fence-virtd-libvirtoracle-linux-upgrade-fence-virtd-multicastoracle-linux-upgrade-fence-virtd-serialoracle-linux-upgrade-fence-virtd-tcporacle-linux-upgrade-ha-cloud-supportoracle-linux-upgrade-python3-11-urllib3oracle-linux-upgrade-python3-12-urllib3oracle-linux-upgrade-python3-urllib3oracle-linux-upgrade-resource-agents
References
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