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Vulnerability record · CVE-2012-4406 · published 22 October 2012

CVE-2012-4406: Openstack swift deserialization of untrusted data vulnerability

Openstack · Swift

OpenStack Object Storage (swift) before 1.7.0 uses the loads function in the pickle Python module unsafely when storing and loading metadata in memcached, which allows remote attackers to execute arbitrary code via a crafted pickle object.

9.8 CVSS 3.1 Critical EPSS 6.6% · top 6.4% CWE-502 · Deserialization of untrusted data
9.8CVSS 3.1 base score, v2 7.5
6.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
7Affected product versions listed by NVD
22References
16 Jun 2026Last modified by NVD

Description

OpenStack Object Storage (swift) before 1.7.0 uses the loads function in the pickle Python module unsafely when storing and loading metadata in memcached, which allows remote attackers to execute arbitrary code via a crafted pickle object.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

7 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089472.html Mailing List
http://rhn.redhat.com/errata/RHSA-2012-1379.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-0691.html Not Applicable
http://www.openwall.com/lists/oss-security/2012/09/05/16 Mailing List
http://www.openwall.com/lists/oss-security/2012/09/05/4 Mailing List
http://www.securityfocus.com/bid/55420 Broken Link
https://bugs.launchpad.net/swift/+bug/1006414 Issue TrackingPatch
https://bugzilla.redhat.com/show_bug.cgi?id=854757 Issue TrackingPatch
https://exchange.xforce.ibmcloud.com/vulnerabilities/79140 Third Party AdvisoryVDB Entry
https://github.com/openstack/swift/commit/e1ff51c04554d51616d2845f92ab726cb0e5831a Patch
https://launchpad.net/swift/+milestone/1.7.0 Release Notes
http://lists.fedoraproject.org/pipermail/package-announce/2012-October/089472.html Mailing List
http://rhn.redhat.com/errata/RHSA-2012-1379.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2013-0691.html Not Applicable
http://www.openwall.com/lists/oss-security/2012/09/05/16 Mailing List
http://www.openwall.com/lists/oss-security/2012/09/05/4 Mailing List
http://www.securityfocus.com/bid/55420 Broken Link
https://bugs.launchpad.net/swift/+bug/1006414 Issue TrackingPatch
https://bugzilla.redhat.com/show_bug.cgi?id=854757 Issue TrackingPatch
https://exchange.xforce.ibmcloud.com/vulnerabilities/79140 Third Party AdvisoryVDB Entry
https://github.com/openstack/swift/commit/e1ff51c04554d51616d2845f92ab726cb0e5831a Patch
https://launchpad.net/swift/+milestone/1.7.0 Release Notes

Track CVE-2012-4406 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2012-4406), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.