CVE-2018-19797

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Published Dec 3, 2018 CVSS 3.0 · 6.5 Medium EPSS 1.8% KEV · Not listed

Description

In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application crash) via a crafted sass input file.

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:sass-lang:libsass:3.5.5:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2018-11476	In LibSass 3.5.5, a NULL Pointer Dereference in the function Sass::Selector_List::populate_extends in SharedPtr.hpp (used by ast.cpp and ast_selectors.cpp) may cause a Denial of Service (application crash) via a crafted sass input file.
Ubuntu USN	USN-4837-1	LibSass vulnerabilities

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.8% (1.844% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html
https://github.com/sass/libsass/issues/2779

History

No history.

Subscriptions

Sass-lang Libsass

Weaknesses

CWE-476

Sources

CVE record Updated: Aug 5, 2024, 11:44 AM

Status: PUBLISHED
Assigner: mitre
Published: Dec 3, 2018, 6:00 AM
Updated: Aug 5, 2024, 11:44 AM
Reserved: Dec 3, 2018, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 1:49 AM

Status: Modified
Published: Dec 3, 2018, 6:29 AM
Modified: Jun 17, 2026, 1:49 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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