Phpseclib needs guardrails on large binaryfield integers

ALTO 7.5CVE-2023-49316 · GHSA-2f25-pfq3-c7h8 · Published 27/11/2023 · updated 17/06/2026

In breve

CVE-2023-49316 è una vulnerabilità ALTO (CVSS 7.5) che riguarda phpseclib/phpseclib, phpseclib (phpseclib).
Probabilità di sfruttamento nei prossimi 30 giorni (EPSS): 0.78%, superiore al 56.1% delle vulnerabilità.
Correzione: aggiornare a 3.0.34 o successiva.

Package	Affected versions	Patched versions
phpseclib/phpseclib Packagist	`≥ 3.0.0, < 3.0.34`	`3.0.34`
phpseclib phpseclib	`≥ 3.0.0, < 3.0.34`	`3.0.34`

Anyone loading untrusted ASN1 files (eg. X509 certificates, RSA PKCS8 private or public keys, etc)

No.

NVD description

In Math/BinaryField.php in phpseclib 3 before 3.0.34, excessively large degrees can lead to a denial of service.

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Package

Affected versions

Patched versions

Packagist

≥ 3.0.0, < 3.0.34

3.0.34

≥ 3.0.0, < 3.0.34

3.0.34

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