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Vulnerability record · CVE-2015-3629 · published 18 May 2015

CVE-2015-3629: Docker libcontainer link following vulnerability

Docker · Libcontainer

Libcontainer 1.6.0, as used in Docker Engine, allows local users to escape containerization ("mount namespace breakout") and write to arbitrary file on the host system via a symlink attack in an image when respawning a container.

7.8 CVSS 3.1 High EPSS 0.60% · top 53.2% CWE-59 · Link following
7.8CVSS 3.1 base score, v2 7.2
0.60%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

Libcontainer 1.6.0, as used in Docker Engine, allows local users to escape containerization ("mount namespace breakout") and write to arbitrary file on the host system via a symlink attack in an image when respawning a container.

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

Affected products

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

References

LinkTags
http://lists.opensuse.org/opensuse-updates/2015-05/msg00023.html Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/131835/Docker-Privilege-Escalation-Information-Disclosure.html Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2015/May/28 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/74558 Broken LinkThird Party AdvisoryVDB Entry
https://groups.google.com/forum/#%21searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJ Permissions Required
http://lists.opensuse.org/opensuse-updates/2015-05/msg00023.html Mailing ListThird Party Advisory
http://packetstormsecurity.com/files/131835/Docker-Privilege-Escalation-Information-Disclosure.html Third Party AdvisoryVDB Entry
http://seclists.org/fulldisclosure/2015/May/28 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/74558 Broken LinkThird Party AdvisoryVDB Entry
https://groups.google.com/forum/#%21searchin/docker-user/1.6.1/docker-user/47GZrihtr-4/nwgeOOFLexIJ Permissions Required

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Source: NIST National Vulnerability Database (record CVE-2015-3629), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.