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CVE-2016-3105

29
FAUCET Score

CVE-2016-3105 describes a critical vulnerability in Mercurial versions prior to 3.8, specifically within the convert extension, which could allow remote attackers to execute arbitrary code. This high-severity flaw (CVSS 8.8) is triggered by a crafted Git repository name, requiring user interaction but enabling complete compromise of confidentiality, integrity, and availability. Despite its severity, there is no public exploit code (Metasploit, Nuclei, ExploitDB), it is not listed in CISA's KEV catalog, and it has garnered minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
<= 3.7.3CPE matchmatch criteria
cpe:2.3:a:mercurial:mercurial:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.66%
Probability of exploitation in next 30 days
EPSS Percentile
84.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0266 is in the 83rd percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

pippatch availablevia ghsa
Product: mercurialFixed in: 3.8
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: mercurial
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: mercurial

Vendor Advisories (2)

pipGHSA-49cw-434h-qc57high

Mercurial vulnerable to arbitrary code execution when converting Git repos

May 17, 2022
redhatCVE-2016-3105Moderate

mercurial: arbitrary code execution when converting git repos

Apr 6, 2016

References

lists.opensuse.org / opensuse-updates/2016-05/msg00082.html
security.gentoo.org / glsa/201612-19
selenic.com / hg/rev/a56296f55a5e
mercurial-scm.org / wiki/WhatsNew
Vendor Advisory
debian.org / security/2016/dsa-3570
securityfocus.com / bid/90536
slackware.com / security/viewer.php