No exploitation reported

CVE-2016-3630

No exploitation reported by the sources we read.

Published2016-04-13
WeaknessCWE-19

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

The binary delta decoder in Mercurial before 3.7.3 allows remote attackers to execute arbitrary code via a (1) clone, (2) push, or (3) pull command, related to (a) a list sizing rounding error and (b) short records.

Timeline

dates in UTC

2016-04-1316:59CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2016-3630?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2016-3630?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Debian debian linux

Branch	Affected	Fixed in	Source
7.0	= 7.0	no fix published	NVD
8.0	= 8.0	no fix published	NVD

Fedoraproject fedora

Branch	Affected	Fixed in	Source
22.x	= 22	no fix published	NVD
23.x	= 23	no fix published	NVD

Suse linux enterprise software development kit

Branch	Affected	Fixed in	Source
11.x	= 11	no fix published	NVD
12.x	= 12	no fix published	NVD

4 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

lists.fedoraproject.orgVendor Advisory
lists.fedoraproject.orgVendor Advisory
lists.opensuse.orgVendor Advisory
lists.opensuse.orgVendor Advisory
lists.opensuse.orgVendor Advisory
lists.opensuse.orgVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.18.8read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
NVDweakness (CWE)CWE-19read 2026-10-23
FIRST EPSSEPSS score4.9 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2016-04-13
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2016-3630?

Is CVE-2016-3630 actively exploited?

Active exploitation of CVE-2016-3630 has not been confirmed. Its EPSS score was 4.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2016-3630?

CVE-2016-3630 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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