SheetJS and SheetJS Pro through 0.16.9 allows attackers to cause a denial of service (memory consumption) via a crafted .xlsx document that is mishandled when read by xlsx.js (issue 1 of 2)
Published Jul 19, 2021
5.5
MEDIUMCVSS 3.1
EPSS 0.88%
Description
SheetJS and SheetJS Pro through 0.16.9 allows attackers to cause a denial of service (memory consumption) via a crafted .xlsx document that is mishandled when read by xlsx.js (issue 1 of 2).
Affected products
No data.
Configuration 1
- ≤ 0.16.9
- ≤ 0.16.9
Configuration 2
- < 21.2.4
No data.
No Red Hat product state for this CVE.
xlsx
npm
Introduced 0 Fixed 0.17.0org.webjars.npm:xlsx
Maven
Introduced 0 Fixed 0.17.0
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | xlsx | 0 | 0.17.0 |
| Maven | org.webjars.npm:xlsx | 0 | 0.17.0 |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.88% (0.00880) | 57.62th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.88% (0.00880) | 54.22th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.23% (0.00226) | 43.34th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00066) | 31.26th | v3 (v2023.03.01) |
| Apr 3, 2024 | 0.07% (0.00065) | 27.00th | v3 (v2023.03.01) |
| Mar 5, 2024 | 0.06% (0.00061) | 23.76th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00057) | 21.75th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.51% (0.01512) | 50.79th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.49% (0.04486) | 75.02th | v1 |
| Jan 6, 2022 | 4.49% (0.04486) | 74.80th | v1 |
| Jan 5, 2022 | 1.04% (0.01036) | 63.73th | v5 (v2026.06.15) |
| Jul 20, 2021 | 1.04% (0.01036) | 0.00th | v1 |
References (6)
- https://floqast.com/engineering-blog/post/fuzzing-and-parsing-securely/ x_refsource_MISCThird Party Advisory
- https://github.com/advisories/GHSA-3x9f-74h4-2fqr Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-32012
- https://sheetjs.com/pro x_refsource_MISCProductVendor Advisory
- https://www.npmjs.com/package/xlsx/v/0.17.0 x_refsource_MISCProductThird Party Advisory
- https://www.oracle.com/security-alerts/cpujan2022.html x_refsource_MISCPatchThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://floqast.com/engineering-blog/post/fuzzing-and-parsing-securely/ | x_refsource_MISCThird Party Advisory | |
| https://github.com/advisories/GHSA-3x9f-74h4-2fqr | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2021-32012 | ||
| https://sheetjs.com/pro | x_refsource_MISCProductVendor Advisory | |
| https://www.npmjs.com/package/xlsx/v/0.17.0 | x_refsource_MISCProductThird Party Advisory | |
| https://www.oracle.com/security-alerts/cpujan2022.html | x_refsource_MISCPatchThird Party Advisory |
Change history (0)
No recorded changes yet.