GHSA-346h-749j-r28w: PHPECC vulnerable to multiple cryptographic side-channel attacks

critical Affects mdanter/ecc. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

PHPECC vulnerable to multiple cryptographic side-channel attacks

Package
mdanter/ecc Composer
Affected versions
<=1.0.0
Fixed in
no fix recorded
Severity
critical  CVSS 9.1
Exploitation
not on CISA KEV
Published
2024-04-25
Source
osv.dev

References

CWE-203CWE-354
NVD recordmdanter/ecc advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

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