PT-2026-37312 · Phpseclib · Phpseclib

Published 2026-05-05 · Updated 2026-06-05 · CVE-2026-44167

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions phpseclib versions prior to 1.0.29 phpseclib versions prior to 2.0.54 phpseclib versions prior to 3.0.52

Description phpseclib is a PHP secure communications library. An issue exists where loading untrusted ASN1 files, such as X509 certificates or RSA PKCS8 private and public keys, can lead to a security bypass.

Recommendations Update to version 1.0.29. Update to version 2.0.54. Update to version 3.0.52.

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2026-44167

GHSA-3QPQ-R242-JQJ7

Affected Products

Phpseclib

References · 13

• https://cve.org/CVERecord?id=CVE-2026-44167 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-44167 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-44167 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-3qpq-r242-jqj7 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-44167 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-44167 · Security Note
• https://ubuntu.com/security/CVE-2026-44167 · Vendor Advisory
• https://github.com/phpseclib/phpseclib · Note
• https://github.com/phpseclib/phpseclib/security/advisories/GHSA-3qpq-r242-jqj7 · Note
• https://github.com/phpseclib/phpseclib/commit/d53d2021bcb9f6a04d5d44ec99e6bbef219a71bc · Note
• https://twitter.com/CVEnew/status/2054340989314101522 · Twitter Post
• https://twitter.com/threatcluster/status/2062876992354009558 · Twitter Post
• https://t.me/CVEtracker/53535 · Telegram Post