01 Record
CVE-2023-31194
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
MediumPUBLISHEDCNA: talos
CNA base score5.3 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
02 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
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.44% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 38.4% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-07-05 15:51Z3 YR AGO
- Last updated
- 2025-11-04 19:15Z11 MO AGO
- Reserved
- 2023-04-26
- Assigning CNA
- talos
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.3)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
- Weaknesses
- Data version
- 5.2
- Document digest
- 984065bcbea426ef29edebd8a101b8667bd687c01411e183fd34b51c6591ded4
05 Affected products
VendorProductVersionsPlatforms
06 References
- talosintelligence.comhttps://talosintelligence.com/vulnerability_reports/TALOS-2023-1745
- www.talosintelligence.comhttps://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1745