CVE-2023-31194
An access violation vulnerability exists in the GraphPlanar::Write functionality of Diagon v1.0...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2023-31194- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - Weakness
- CWE-119
- Updated
- 2026-11-02
EUVDEUVD-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.
- Record
EUVD-2023-35510- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-f74j-v9xm-xxwc
An access violation vulnerability exists in the GraphPlanar::Write functionality of Diagon v1.0...
An access violation vulnerability exists in the GraphPlanar::Write functionality of Diagon v1.0.139. A specially crafted network request can lead to a heap buffer overflow. An attacker can send a network request to trigger this vulnerability.
- Record
GHSA-f74j-v9xm-xxwc- CVSS 3.1
- 4.0 Medium
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L - Weakness
- CWE-119, CWE-122, CWE-129, CWE-787
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-31194- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-119, CWE-129
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2023-31194- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L - Weakness
- CWE-119
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-31194 is a medium vulnerability (CVSS 5.3) in Diagon, published July 5, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 38th percentile. No source names a fixed version.