CVE-2018-17983

mercurial: Out-of-bounds read in cext/manifest.c

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Published Oct 4, 2018 CVSS 3.0 · 9.1 Critical EPSS 2.0% KEV · Not listed

Description

cext/manifest.c in Mercurial before 4.7.2 has an out-of-bounds read during parsing of a malformed manifest entry.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:mercurial:mercurial:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2018-0098	cext/manifest.c in Mercurial before 4.7.2 has an out-of-bounds read during parsing of a malformed manifest entry.
Github GHSA	GHSA-p575-cf9h-wv42	Mercurial Out-of-bounds Read vulnerability
Ubuntu USN	USN-5102-1	Mercurial vulnerabilities
Ubuntu USN	USN-5102-2	Mercurial vulnerabilities

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 2.0% (2.007% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://nvd.nist.gov/vuln/detail/CVE-2018-17983
https://www.cve.org/CVERecord?id=CVE-2018-17983
https://www.mercurial-scm.org/repo/hg/rev/5405cb1a7901
https://www.mercurial-scm.org/wiki/WhatsNew#Mercurial_4.7.2_.282018-10-01.29

History

No history.

Subscriptions

Mercurial Mercurial

Weaknesses

CWE-125

Sources

CVE record Updated: Aug 5, 2024, 11:01 AM

Status: PUBLISHED
Assigner: mitre
Published: Oct 4, 2018, 11:00 PM
Updated: Aug 5, 2024, 11:01 AM
Reserved: Oct 4, 2018, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 1:46 AM

Status: Modified
Published: Oct 4, 2018, 11:29 PM
Modified: Jun 17, 2026, 1:46 AM

View source JSON

Red Hat Updated: Oct 1, 2018, 12:00 AM

Severity: Moderate
Public date: Oct 1, 2018, 12:00 AM

View source Bugzilla JSON

OpenCVE enrichment No data

No data.

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