Vulnerability Monitor

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CVE-2016-3069

Mercurial before 3.7.3 allows remote attackers to execute arbitrary code via a crafted name when converting a Git repository.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.8, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 14 products from mercurial, from debian, from suse and 11 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2016, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2016-04-13T16:59:17.227

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mercurial	mercurial	≤ 3.7.2	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Application	suse	linux_enterprise_debuginfo	11	Yes
Operating System	opensuse	opensuse	13.2	Yes
Operating System	suse	linux_enterprise_software_development_kit	11	Yes
Operating System	suse	linux_enterprise_software_development_kit	12	Yes
Operating System	suse	linux_enterprise_software_development_kit	12	Yes
Operating System	opensuse	leap	42.1	Yes
Operating System	fedoraproject	fedora	22	Yes
Operating System	fedoraproject	fedora	23	Yes
Operating System	redhat	enterprise_linux_desktop	7.0	Yes
Operating System	redhat	enterprise_linux_hpc_node	7.0	Yes
Operating System	redhat	enterprise_linux_hpc_node_eus	7.2	Yes
Operating System	redhat	enterprise_linux_server	7.0	Yes
Operating System	redhat	enterprise_linux_server_aus	7.2	Yes
Operating System	redhat	enterprise_linux_server_eus	7.2	Yes
Operating System	redhat	enterprise_linux_workstation	7.0	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181505.html Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181542.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00016.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00017.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00018.html Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00043.html Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2016-0706.html Third Party Advisory ([email protected])
http://www.debian.org/security/2016/dsa-3542 Third Party Advisory ([email protected])
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html ([email protected])
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html ([email protected])
https://security.gentoo.org/glsa/201612-19 ([email protected])
https://selenic.com/repo/hg-stable/rev/197eed39e3d5 Issue Tracking, Patch ([email protected])
https://selenic.com/repo/hg-stable/rev/80cac1de6aea Issue Tracking, Patch ([email protected])
https://selenic.com/repo/hg-stable/rev/ae279d4a19e9 Issue Tracking, Patch ([email protected])
https://selenic.com/repo/hg-stable/rev/b732e7f2aba4 Issue Tracking, Patch ([email protected])
https://selenic.com/repo/hg-stable/rev/cdda7b96afff Issue Tracking, Patch ([email protected])
https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_3.7.3_.282016-3-29.29 Vendor Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181505.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/181542.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00016.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00017.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00018.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00043.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2016-0706.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2016/dsa-3542 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html (af854a3a-2127-422b-91ae-364da2661108)
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201612-19 (af854a3a-2127-422b-91ae-364da2661108)
https://selenic.com/repo/hg-stable/rev/197eed39e3d5 Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://selenic.com/repo/hg-stable/rev/80cac1de6aea Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://selenic.com/repo/hg-stable/rev/ae279d4a19e9 Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://selenic.com/repo/hg-stable/rev/b732e7f2aba4 Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://selenic.com/repo/hg-stable/rev/cdda7b96afff Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_3.7.3_.282016-3-29.29 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mercurial's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.