CVE-2018-3973: canvasgfx canvas_draw Out-of-bounds Write
Vulnerability summary
CVE-2018-3973 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in canvasgfx canvas_draw. EPSS estimates a 1.89% chance of exploitation in the next 30 days, higher than 79.3% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 06-02-2019PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
An exploitable out of bounds write exists in the CAL parsing functionality of Canvas Draw version 5.0.0. A specially crafted CAL image processed via the application can lead to an out of bounds write overwriting arbitrary data. An attacker can deliver a PCX image to trigger this vulnerability and gain code execution.
CVSS metrics
4 scores · 2 sources · 3 versions- NVDNIST8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.89%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
0.00 pp
From 1.89% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (talosintelligence.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Canvasgfx1 product
- canvas_draw5.0.0
Talos1 product
- acd systemsACDSystems Canvas Draw 5.0.0
2 vendors · 2 products
References
2 links- talosintelligence.com/vulnerability_reports/TALOS-2018-0638X Refsource MISCExploitThird Party Advisory