CVE-2020-8215 json
Buffer overflow in canvas
published 6y ago modified 4mo ago also GHSA-73rg-x683-m3qw , EUVD-2021-0983
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.3%
- EPSS 2.3% chance of exploitation in 30 days, percentile 83%
- public exploits
- 0
- none known
Summary
A buffer overflow is present in canvas version <= 1.6.9, which could lead to a Denial of Service or execution of arbitrary code when it processes a user-provided image.
Patch / fix
Is CVE-2020-8215 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
2.32% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| GitHub | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | canvas | <1.6.11 |
1.6.11 |
Affected products
- n/a node-canvas
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
github.com
/Automattic/node-canvas/commit/c3e4ccb1c404da01e83fe5eb3626bf55f7f55957
web
-
hackerone.com
/reports/315037
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-8215
advisory
-
npmjs.com
/package/canvas
web
Sources
- CVE List CVE-2020-8215
- GitHub Advisory GHSA-73rg-x683-m3qw
- NVD CVE-2020-8215
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.