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Lunasvg CVE-2024-33768

CRITICAL
Improper Isolation or Compartmentalization (CWE-653)
2024-05-01 cve@mitre.org
9.8
CVSS 3.1 · Vendor: mitre
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Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V15 - Secure Coding and Architecture Component isolation
Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity + public POC available.
No patch listed yet 0.8% exploitation probability (EPSS)

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AnalysisAI

lunasvg v2.3.9 was discovered to contain a segmentation violation via the component composition_solid_source_over. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affected Packages

pypi lunasvg no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in pypi

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-653. lunasvg v2.3.9 was discovered to contain a segmentation violation via the component composition_solid_source_over. Affected products include: Sammycage Lunasvg.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (mitre) PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

lunasvg v2.3.9 was discovered to contain a segmentation violation via the component composition_solid_source_over.

Threat Intelligence Overview

EPSS Score
0.8%
Top 46% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC Yes
EPSS 0.8%
Patch available No
Active threat No
Deciding rule
CRITICAL severity + public POC available
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
Medium

Priority Score

70
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +49
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

cpe:2.3:a:sammycage:lunasvg:2.3.9:*:*:*:*:*:*:*
CVE-2024-33763 HIGH POC
7.5 May 01

lunasvg v2.3.9 was discovered to contain a stack-buffer-underflow at lunasvg/source/layoutcontext.cpp. Rated high severi

CVE-2024-33764 MEDIUM POC
5.5 May 01

lunasvg v2.3.9 was discovered to contain a stack-overflow at lunasvg/source/element.h. Rated medium severity (CVSS 5.5),

CVE-2024-33766 MEDIUM POC
5.3 May 01

lunasvg v2.3.9 was discovered to contain an FPE (Floating Point Exception) at blend_transformed_tiled_argb.isra.0. Rated

CVE-2024-33767 MEDIUM POC
5.0 May 01

lunasvg v2.3.9 was discovered to contain a segmentation violation via the component composition_solid_source. Rated medi

CVE-2024-55456 MEDIUM POC
6.5 Feb 03

lunasvg v3.0.1 was discovered to contain a segmentation violation via the component gray_find_cell. Rated medium severit

CVE-2024-57724 MEDIUM POC
6.5 Jan 23

lunasvg v3.0.0 was discovered to contain a segmentation violation via the component gray_record_cell. Rated medium sever

CVE-2024-57723 MEDIUM POC
6.5 Jan 23

lunasvg v3.0.0 was discovered to contain a segmentation violation via the component composition_source_over. Rated mediu

CVE-2024-57722 HIGH POC
7.5 Jan 23

lunasvg v3.0.0 was discovered to contain a allocation-size-too-big bug via the component plutovg_surface_create. Rated h

CVE-2024-57721 MEDIUM POC
6.5 Jan 23

lunasvg v3.0.0 was discovered to contain a segmentation violation via the component plutovg_path_add_path. Rated medium

CVE-2024-57720 MEDIUM POC
6.5 Jan 23

lunasvg v3.0.0 was discovered to contain a segmentation violation via the component plutovg_blend. Rated medium severity

CVE-2024-57719 MEDIUM POC
6.5 Jan 23

lunasvg v3.0.0 was discovered to contain a segmentation violation via the component blend_transformed_tiled_argb.isra.0.

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