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TI-2024-22334 Aliases CVE-2024-33851GHSA-3494-cfwf-56hw

phpecc, as used in paragonie/phpecc before 2.0.1, has a branch-based timing leak in Point…

Priority LOW 20Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.

Summary

phpecc, as used in paragonie/phpecc before 2.0.1, has a branch-based timing leak in Point addition. (This is related to phpecc/phpecc on GitHub, and the Matyas Danter ECC library.)

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00408 35th percentileScored 2026-11-07
Fix Fixed paragonie/ecc (Packagist): 2.0.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—paragonie/ecc (Packagist)before 2.0.12.0.1Patch availableGHSA-3494-cfwf-56hw
—mdanter/ecc (Packagist)up to 1.0.0—No fix listedGHSA-3494-cfwf-56hw
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • paragonie/ecc (Packagist) Vendor— Affected before 2.0.1 Fixed in 2.0.1 Patch available GHSA-3494-cfwf-56hw
  • mdanter/ecc (Packagist) Vendor— Affected up to 1.0.0 Fixed in — No fix listed GHSA-3494-cfwf-56hw

Remediation

  • Fix · GHSA-3494-cfwf-56hw paragonie/ecc (Packagist) Fixed in 2.0.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-33851
  2. 2026-10-03 Alias added: GHSA-3494-cfwf-56hw

References

Sources