Observable discrepancy in simplito/elliptic-php
Priority LOW 35CWE-203Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-203.
Summary
In elliptic-php versions priot to 1.0.6, Timing attacks might be possible which can result in practical recovery of the long-term private key generated by the library under certain conditions. Leakage of a bit-length of the scalar during scalar multiplication is possible on an elliptic curve which might allow practical recovery of the long-term private key.
Why it matters now
EPSS 0.01091 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed simplito/elliptic-php (Packagist): 1.0.6
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | simplito/elliptic-php | All versions prior to version 2.5 | — | No fix listed | CNA |
| — | simplito/elliptic-php (Packagist) | before 1.0.6 | 1.0.6 | Patch available | GHSA-mr6r-82x4-f4jj |
- simplito/elliptic-php Vendor— Affected All versions prior to version 2.5 Fixed in — No fix listed CNA
- simplito/elliptic-php (Packagist) Vendor— Affected before 1.0.6 Fixed in 1.0.6 Patch available GHSA-mr6r-82x4-f4jj
Remediation
- Fix · GHSA-mr6r-82x4-f4jj simplito/elliptic-php (Packagist) Fixed in 1.0.6 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2019-10764
- 2026-10-03 Alias added: GHSA-mr6r-82x4-f4jj
References
Sources
- CVE-2019-10764 · CVE Program
- CVE-2019-10764 · NVD
- FIRST EPSS
- GHSA-mr6r-82x4-f4jj · GitHub Advisory Database · CC BY 4.0
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