CVE-2023-31194

View on CVE.org

Published Jul 5, 2023 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed

Description

An improper array index validation vulnerability exists in the GraphPlanar::Write functionality of Diagon v1.0.139. A specially crafted markdown file can lead to memory corruption. A victim would need to open a malicious file to trigger this vulnerability.

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

Diagon

Diagon

affected

Version	Status	Constraints
`v1.0.139`	affected	—

Configuration 1 [-]

cpe:2.3:a:diagon_project:diagon:1.0.139:*:*:*:*:*:*:*

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-2023-35510	An improper array index validation vulnerability exists in the GraphPlanar::Write functionality of Diagon v1.0.139. A specially crafted markdown file can lead to memory corruption. A victim would need to open a malicious file to trigger this vulnerability.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.445% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://talosintelligence.com/vulnerability_reports/TALOS-2023-1745
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1745

History

Nov 4, 2025 8:30 PM Added references View changes

Type	Values Removed	Values Added
References		https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1745

Oct 24, 2024 7:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Subscriptions

Diagon Project Diagon

Weaknesses

Sources

CVE record Updated: Nov 4, 2025, 7:15 PM

Status: PUBLISHED
Assigner: talos
Published: Jul 5, 2023, 3:51 PM
Updated: Nov 4, 2025, 7:15 PM
Reserved: Apr 26, 2023, 5:56 PM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 2:45 PM

Updated: Aug 2, 2024, 2:45 PM

NVD Updated: Jun 17, 2026, 5:56 AM

Status: Modified
Published: Jul 5, 2023, 4:15 PM
Modified: Jun 17, 2026, 5:56 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-31194", "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "state": "PUBLISHED", "assignerShortName": "talos", "dateReserved": "2023-04-26T17:56:12.356Z", "datePublished": "2023-07-05T15:51:50.540Z", "dateUpdated": "2025-11-04T19:15:59.169Z"}, "containers": {"cna": {"affected": [{"vendor": "Diagon", "product": "Diagon", "versions": [{"version": "v1.0.139", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "An improper array index validation vulnerability exists in the GraphPlanar::Write functionality of Diagon v1.0.139. A specially crafted markdown file can lead to memory corruption. A victim would need to open a malicious file to trigger this vulnerability."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer", "type": "CWE", "cweId": "CWE-119"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}], "providerMetadata": {"orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "shortName": "talos", "dateUpdated": "2023-07-17T20:47:16.780Z"}, "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1745", "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1745"}], "credits": [{"lang": "en", "value": "Discovered by Francesco Benvenuto of Cisco Talos."}]}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1745", "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1745", "tags": ["x_transferred"]}, {"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1745"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-04T19:15:59.169Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-10-24T19:06:25.260482Z", "id": "CVE-2023-31194", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-24T19:09:46.165Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1745", "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1745", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T14:45:26.098Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-31194", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-24T19:06:25.260482Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-24T19:08:47.823Z"}}], "cna": {"credits": [{"lang": "en", "value": "Discovered by Francesco Benvenuto of Cisco Talos."}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "Diagon", "product": "Diagon", "versions": [{"status": "affected", "version": "v1.0.139"}]}], "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1745", "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1745"}], "descriptions": [{"lang": "en", "value": "An improper array index validation vulnerability exists in the GraphPlanar::Write functionality of Diagon v1.0.139. A specially crafted markdown file can lead to memory corruption. A victim would need to open a malicious file to trigger this vulnerability."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-119", "description": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer"}]}], "providerMetadata": {"orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "shortName": "talos", "dateUpdated": "2023-07-17T20:47:16.780Z"}}}, "cveMetadata": {"cveId": "CVE-2023-31194", "state": "PUBLISHED", "dateUpdated": "2024-10-24T19:09:46.165Z", "dateReserved": "2023-04-26T17:56:12.356Z", "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "datePublished": "2023-07-05T15:51:50.540Z", "assignerShortName": "talos"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "Diagon", "vendor": "Diagon", "versions": [{"status": "affected", "version": "v1.0.139"}]}], "source": "talos-cna@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:diagon_project:diagon:1.0.139:*:*:*:*:*:*:*", "matchCriteriaId": "0D402C86-54E7-4141-A6F6-625647D9CCCF", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An improper array index validation vulnerability exists in the GraphPlanar::Write functionality of Diagon v1.0.139. A specially crafted markdown file can lead to memory corruption. A victim would need to open a malicious file to trigger this vulnerability."}], "id": "CVE-2023-31194", "lastModified": "2026-06-17T05:56:31.590", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.4, "source": "talos-cna@cisco.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-31194", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-24T19:06:25.260482Z", "version": "2.0.3"}}]}, "published": "2023-07-05T16:15:09.600", "references": [{"source": "talos-cna@cisco.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1745"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1745"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1745"}], "sourceIdentifier": "talos-cna@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "talos-cna@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-129"}], "source": "nvd@nist.gov", "type": "Primary"}]}